CVE Watch
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Issue summary: When CMS password-based decryption (RFC 3211 / PWRI key unwrap) processes attacker-supplied CMS data, an attacker-chosen s...
Issue summary: When CMS password-based decryption (RFC 3211 / PWRI key unwrap) processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kek_unwrap_key(). Impact summary: A heap buffer over-read may trigger a crash which leads to Denial of Service for an application if the input buffer ends at a memory page boundary and the following page is unmapped. There is no information disclosure as the over-read bytes are not revealed to the attacker. The key unwrapping function performs a check-byte test as specified in the RFC that reads 7 bytes from a heap allocation that is based on the wrapped key length from the message. There is a minimum length check based on the block length of the wrapping cipher. However the cipher is selected from an OID carried in the attacker's PWRI keyEncryptionAlgorithm with no requirement that the cipher be a block cipher. When an attacker selects a stream-mode cipher the guard will be ineffective and the allocated buffer containing the unwrapped key can be too small to fit the check-bytes specified in the RFC and a buffer over-read can happen. Applications calling CMS_decrypt() or CMS_decrypt_set1_password() (equivalently openssl cms -decrypt -pwri_password ...) on untrusted CMS data are vulnerable to this issue. No password knowledge is required: the over-read happens during the unwrap attempt before any authentication succeeds. The over-read is limited to a few bytes and is not written to output, so there is no information disclosure. Triggering a crash requires the allocation to border unmapped memory, which is unlikely with the normal allocator. The FIPS modules are not affected by this issue.
CWE-125Issue summary: A signed integer overflow when sizing the destination buffer for Unicode output in ASN1_mbstring_ncopy() can lead to a hea...
Issue summary: A signed integer overflow when sizing the destination buffer for Unicode output in ASN1_mbstring_ncopy() can lead to a heap buffer overflow. Impact summary: A heap buffer overflow may lead to a crash or possibly attacker controlled code execution or other undefined behaviour. In ASN1_mbstring_copy() and ASN1_mbstring_ncopy() the destination size for Unicode output is computed in a signed int: by left shift of the input character count for BMPSTRING (UTF-16) and UNIVERSALSTRING (UTF-32), and by summing per-character byte counts for UTF8STRING. The calculation overflows when the input reaches around 2^30 characters. In the worst case (UNIVERSALSTRING at 2^30 characters) the size wraps to zero, OPENSSL_malloc(1) is called, and the subsequent character copy writes several gigabytes past the one-byte allocation. X.509 certificate processing routes through ASN1_STRING_set_by_NID(), whose DIRSTRING_TYPE mask excludes UNIVERSALSTRING and whose per-NID size limits cap the input length; no network protocol or certificate-handling path in OpenSSL exercises the overflow. Triggering the bug requires an application that calls ASN1_mbstring_copy() or ASN1_mbstring_ncopy() directly, or registers a custom string type via ASN1_STRING_TABLE_add(), with attacker-controlled input on the order of half a gigabyte or more. For these reasons this issue was assigned Low severity. The FIPS modules in 4.0, 3.6, 3.5, 3.4 and 3.0 are not affected by this issue, as the affected code is outside the OpenSSL FIPS module boundary.
CWE-787Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitr...
Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by placing malicious executable Git configuration in a workspace repository's .git/config file. Attackers can exploit Git subprocess invocations in api/workspace_git.py through vectors such as core.fsmonitor during git status, protocol.ext.allow with ext:: remotes during git fetch, credential.helper, core.askPass, core.gitProxy, or inherited environment variables including GIT_SSH_COMMAND to achieve arbitrary command execution on the host running the application.
CWE-78Hermes WebUI before version 0.51.296 contains a workspace boundary bypass vulnerability that allows authenticated attackers to circumvent...
Hermes WebUI before version 0.51.296 contains a workspace boundary bypass vulnerability that allows authenticated attackers to circumvent blocked-root path checks by exploiting an early return in the SSH/remote terminal profile workspace resolution logic within _remote_terminal_workspace_candidate(). Attackers can configure a remote terminal working directory to a system directory such as /etc, causing the workspace resolution path to accept it as a trusted local workspace root before the _is_blocked_workspace_path() guard executes, enabling read access to local system files through workspace file-read helpers.
CWE-22FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implem...
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, a single unauthenticated WebSocket frame containing a deeply nested JSON document crashes the FreeSWITCH process via stack overflow, terminating all calls and sessions on the host. The recursion drives the worker thread's stack pointer into the stack guard page, raising SIGSEGV from the kernel before any usable write primitive develops. This issue has been patched in version 1.11.1.
freeswitchCWE-674FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implem...
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, mod_verto's WebSocket frame loop intercepts a #-prefixed speed-test protocol (#SPU / #SPB / #SPE) before any authentication check. The declared payload size in #SPU was parsed with atoi() and only rejected non-positive values, so an unauthenticated peer could request up to INT_MAX bytes. The server then wrote roughly size * 10 bytes back during the download phase, on the order of 20 GB per request, yielding strong outbound bandwidth amplification from a short request. This issue has been patched in version 1.11.1.
freeswitchCWE-400FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implem...
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, a STUN packet whose declared attribute length is shorter than the structure the parser casts to causes the parser to read and write past the end of the attribute, producing an out-of-bounds memory access on the per-leg media buffer. This issue has been patched in version 1.11.0.
freeswitchCWE-125CWE-20Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally
Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally.
CWE-284Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
microsoftCWE-400Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
microsoftCWE-416Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-284Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-1329Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-693Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
microsoftCWE-122Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-1329Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-693Improper input validation in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally
Improper input validation in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
CWE-20CWE-23Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
microsoftCWE-693Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally
Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
CWE-426Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
microsoftCWE-416CWE-787
7.5 HIGHWeekly digest
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