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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

CVE-2020-29562 is a medium-severity vulnerability affecting the iconv function in the GNU C Library (glibc) versions 2.30 to 2.32. The iconv function is responsible for converting text between different character encodings. This vulnerability arises when iconv attempts to convert UCS4-encoded text containing an irreversible character. In this scenario, the function fails an internal assertion check within its code path, causing the program to abort unexpectedly. This abrupt termination can lead to a denial of service (DoS) condition, where affected applications or services relying on glibc's iconv functionality may crash or become unavailable. The vulnerability does not impact confidentiality or integrity directly, as it does not allow code execution or data manipulation, but it affects availability by crashing processes. Exploitation requires network access (AV:N) but with high attack complexity (AC:H), low privileges (PR:L), and user interaction (UI:R). The scope is unchanged (S:U), and the impact is limited to availability (A:H) without affecting confidentiality or integrity. No known exploits are reported in the wild, and no official patches are linked in the provided data, though it is likely addressed in later glibc releases. The vulnerability is classified under CWE-617 (Reachable Assertion), indicating that an assertion failure can be triggered by crafted input. This issue is particularly relevant for software that processes UCS4 encoded text and uses iconv for encoding conversions, including various Linux-based systems and applications that rely on glibc.

Detailed information about CVE-2020-29562: n/a in n/a affecting n/a n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2020-29562: n/a in n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2020-29562: n/a in n/a

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