Published: 03/05/2022 Updated: 12/05/2022

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

uClibc-ng versions before 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

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uclibc-ng project uclibc-ng

Debian Bug report logs - #1010748 uclibc: CVE-2021-27419 - integer overflow in both malloc and memalign implementations Package: src:uclibc; Maintainer for src:uclibc is Simon Richter <sjr@debianorg>; Reported by: Neil Williams <codehelp@debianorg> Date: Mon, 9 May 2022 08:18:01 UTC Severity: important Tags: secur ...

Critical Infrastructure Sectors: Energy

CWE-190 https://downloads.uclibc-ng.org/releases/https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1010748 https://nvd.nist.gov https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

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CVE-2021-27419

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