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In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When look...
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When looking up a flow table in act_ct in tcf_ct_flow_table_get(), rhashtable_lookup_fast() internally opens and closes an RCU read critical section before returning ct_ft. The tcf_ct_flow_table_cleanup_work() can complete before refcount_inc_not_zero() is invoked on the returned ct_ft resulting in a UAF on the already freed ct_ft object. This vulnerability can lead to privilege escalation. Analysis from zdi-disclosures@trendmicro.com: When initializing act_ct, tcf_ct_init() is called, which internally triggers tcf_ct_flow_table_get(). static int tcf_ct_flow_table_get(struct net *net, struct tcf_ct_params *params) { struct zones_ht_key key = { .net = net, .zone = params->zone }; struct tcf_ct_flow_table *ct_ft; int err = -ENOMEM; mutex_lock(&zones_mutex); ct_ft = rhashtable_lookup_fast(&zones_ht, &key, zones_params); // [1] if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) // [2] goto out_unlock; ... } static __always_inline void *rhashtable_lookup_fast( struct rhashtable *ht, const void *key, const struct rhashtable_params params) { void *obj; rcu_read_lock(); obj = rhashtable_lookup(ht, key, params); rcu_read_unlock(); return obj; } At [1], rhashtable_lookup_fast() looks up and returns the corresponding ct_ft from zones_ht . The lookup is performed within an RCU read critical section through rcu_read_lock() / rcu_read_unlock(), which prevents the object from being freed. However, at the point of function return, rcu_read_unlock() has already been called, and there is nothing preventing ct_ft from being freed before reaching refcount_inc_not_zero(&ct_ft->ref) at [2]. This interval becomes the race window, during which ct_ft can be freed. Free Process: tcf_ct_flow_table_put() is executed through the path tcf_ct_cleanup() call_rcu() tcf_ct_params_free_rcu() tcf_ct_params_free() tcf_ct_flow_table_put(). static void tcf_ct_flow_table_put(struct tcf_ct_flow_table *ct_ft) { if (refcount_dec_and_test(&ct_ft->ref)) { rhashtable_remove_fast(&zones_ht, &ct_ft->node, zones_params); INIT_RCU_WORK(&ct_ft->rwork, tcf_ct_flow_table_cleanup_work); // [3] queue_rcu_work(act_ct_wq, &ct_ft->rwork); } } At [3], tcf_ct_flow_table_cleanup_work() is scheduled as RCU work static void tcf_ct_flow_table_cleanup_work(struct work_struct *work) { struct tcf_ct_flow_table *ct_ft; struct flow_block *block; ct_ft = container_of(to_rcu_work(work), struct tcf_ct_flow_table, rwork); nf_flow_table_free(&ct_ft->nf_ft); block = &ct_ft->nf_ft.flow_block; down_write(&ct_ft->nf_ft.flow_block_lock); WARN_ON(!list_empty(&block->cb_list)); up_write(&ct_ft->nf_ft.flow_block_lock); kfree(ct_ft); // [4] module_put(THIS_MODULE); } tcf_ct_flow_table_cleanup_work() frees ct_ft at [4]. When this function executes between [1] and [2], UAF occurs. This race condition has a very short race window, making it generally difficult to trigger. Therefore, to trigger the vulnerability an msleep(100) was inserted after[1]
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nested_mmus array behind mmu_lock kvm->arch.ne...
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nested_mmus array behind mmu_lock kvm->arch.nested_mmus[] is walked under kvm->mmu_lock, including from the MMU notifier path (kvm_unmap_gfn_range() -> kvm_nested_s2_unmap()), which can run at any time. kvm_vcpu_init_nested() reallocates the array and frees the old buffer while holding only kvm->arch.config_lock, so such a walker can reference the freed array. Allocate the new array outside of mmu_lock, as the allocation can sleep. Under the lock, copy the existing entries, fix up the back pointers and reassign the array. Free the old buffer after dropping the lock, as kvfree() can sleep as well.
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for ...
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgic_its_invalidate_cache() walks the per-ITS translation cache with xa_for_each() and drops the cache's reference on each entry with vgic_put_irq(). It puts the iterated pointer, though, rather than the value returned by xa_erase(). The function is called from contexts that do not exclude one another: the ITS command handlers hold its_lock, the GITS_CTLR write path holds cmd_lock, and the path that clears EnableLPIs in a redistributor's GICR_CTLR holds neither. Two or more of them can drain the same cache concurrently, and if each one observes the same entry, erases it and then puts it, the single reference the cache holds on that entry is dropped more than once. The entry can then be freed while an ITE still maps it. xa_erase() is atomic and returns the previous entry, so put only the entry that this context actually removed. The cache reference is then dropped exactly once per entry even when the invalidations run concurrently, and the behavior is unchanged when only one context runs.
WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to exe...
WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by injecting malicious shortcodes through the WordPress REST API. Attackers can send POST requests to the wp-json/wp/v2/posts endpoint with crafted content containing insert_php shortcodes to include and execute remote PHP files on the server.
CWE-94Mac Photo Gallery 3.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by manipu...
Mac Photo Gallery 3.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by manipulating the albid parameter. Attackers can send requests to macdownload.php with directory traversal sequences to access sensitive files like wp-load.php outside the intended plugin directory.
CWE-22Apptha Slider Gallery 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries ...
Apptha Slider Gallery 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the albid parameter. Attackers can send GET requests with crafted SQL payloads in the albid parameter to extract sensitive database information including user credentials and authentication hashes.
CWE-89Apptha Slider Gallery 1.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by ma...
Apptha Slider Gallery 1.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by manipulating the imgname parameter. Attackers can send requests to asgallDownload.php with directory traversal sequences ../ to access sensitive files outside the intended directory.
CWE-22WordPress Plugin PICA Photo Gallery 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrar...
WordPress Plugin PICA Photo Gallery 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the aid parameter. Attackers can send GET requests with crafted SQL payloads in the aid parameter to extract sensitive database information including user credentials and table contents.
CWE-89KittyCatfish 2.2 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to read database cont...
KittyCatfish 2.2 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to read database contents by exploiting an unescaped GET parameter. Attackers can inject SQL code through the 'kc_ad' parameter in base.css.php or kittycatfish.php to extract sensitive database information using boolean-based blind or time-based blind techniques.
CWE-89Wow Viral Signups 2.1 WordPress plugin contains an SQL injection vulnerability that allows unauthenticated attackers to extract database ...
Wow Viral Signups 2.1 WordPress plugin contains an SQL injection vulnerability that allows unauthenticated attackers to extract database information by exploiting the unescaped 'idsignup' POST parameter. Attackers can send crafted requests to the admin-ajax.php endpoint with malicious SQL payloads in the 'idsignup' parameter to read arbitrary data from the database.
CWE-89Wow Forms WordPress Plugin version 2.1 contains an SQL injection vulnerability that allows unauthenticated attackers to read arbitrary da...
Wow Forms WordPress Plugin version 2.1 contains an SQL injection vulnerability that allows unauthenticated attackers to read arbitrary database information by exploiting an unescaped POST parameter. Attackers can inject SQL code through the 'mwpformid' parameter in requests to the admin-ajax.php endpoint with the 'send_mwp_form' action to extract sensitive database contents.
CWE-89WordPress Car Park Booking Plugin version 13 October 17 contains a time-based SQL injection vulnerability that allows unauthenticated att...
WordPress Car Park Booking Plugin version 13 October 17 contains a time-based SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the space_id parameter. Attackers can send GET requests to the booking-page endpoint with malicious space_id values using AND SLEEP() payloads to extract sensitive database information.
CWE-89Product Catalog 8 1.2 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbit...
Product Catalog 8 1.2 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the selectedCategory parameter. Attackers can submit POST requests to the admin-ajax.php endpoint with the UpdateCategoryList action to extract sensitive database information from WordPress tables.
CWE-89Single Personal Message 1.0.3 contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries by...
Single Personal Message 1.0.3 contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries by injecting malicious code through the message parameter. Attackers can access the admin interface and supply crafted SQL statements in the message parameter to extract sensitive database information including user credentials and site configuration data.
CWE-89Simply Poll 1.4.1 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to extract database ...
Simply Poll 1.4.1 plugin for WordPress contains an SQL injection vulnerability that allows unauthenticated attackers to extract database information by injecting SQL code through the 'pollid' POST parameter. Attackers can send requests to the admin-ajax.php endpoint with the 'spAjaxResults' action and malicious 'pollid' values to execute arbitrary SQL queries and read sensitive data from the WordPress database.
CWE-89A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6)
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected application uses a password hashing implementation with a static, hardcoded salt shared across all users and installations, and is configured with an insufficient number of iterations. This could allow an attacker to efficiently recover user passwords using brute-force or precomputed attacks, potentially resulting in unauthorized access.
siemensCWE-760A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6)
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
siemensCWE-250A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6)
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The application does not properly sanitize user input in the /api/sftp/uploadFiles endpoint, allowing the injection of shell command payloads via crafted directory names. These payloads are stored and executed when directory listings are retrieved. This could allow an authenticated remote attacker to execute arbitrary commands on the underlying operating system with the privileges of the affected service user (sinecins).
siemensCWE-78A Stored Cross-Site Scripting vulnerability in Vinna Process Monitor Version 4.0 Service Pack 1 (Build 63255) allows an authenticated rem...
A Stored Cross-Site Scripting vulnerability in Vinna Process Monitor Version 4.0 Service Pack 1 (Build 63255) allows an authenticated remote attacker with low privileges to inject malicious JavaScript code into the application. This enables attackers to steal administrative access tokens and session credentials.
CWE-79A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All ver...
A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.
CWE-313
7.8 HIGH
9.3 CRITICALWeekly digest
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