Bug#1018941: cimg: CVE-2022-1325 - memory exhaustion from a malicious pandore or bmp file

[Neil Williams]

Source: cimg
Version: 3.0.2+dfsg-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: codehelp at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for cimg.

CVE-2022-1325[0]:
| A flaw was found in Clmg, where with the help of a maliciously crafted
| pandore or bmp file with modified dx and dy header field values it is
| possible to trick the application into allocating huge buffer sizes
| like 64 Gigabyte upon reading the file from disk or from a virtual
| buffer.


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-2022-1325
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1325

Please adjust the affected versions in the BTS as needed.


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

Kernel: Linux 5.18.0-4-amd64 (SMP w/6 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