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Bug#1010748: uclibc: CVE-2021-27419 - integer overflow in both malloc and memalign implementations

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Source: uclibc
Version: 1.0.35-1
Severity: important
Tags: security
X-Debbugs-Cc: codehelp@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for uclibc.

CVE-2021-27419[0]:
| uClibc-ng versions prior to 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-27419
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27419

Please adjust the affected versions in the BTS as needed.



-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.17.0-1-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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Bug#1010748: uclibc: CVE-2021-27419 - integer overflow in both malloc and memalign implementations Neil Williams <codehelp@debian.org> - 2022-05-09 10:20 +0200

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