Bug#1014391: scilab: CVE-2022-30045 incorrect memory handling in ezml support leading to a heap out-of-bounds read

[Neil Williams]

Source: scilab
Version: 6.1.1+dfsg2-3
Severity: important
Tags: security
X-Debbugs-Cc: codehelp at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for scilab.

CVE-2022-30045[0]:
| An issue was discovered in libezxml.a in ezXML 0.8.6. The function
| ezxml_decode() performs incorrect memory handling while parsing
| crafted XML files, leading to a heap out-of-bounds read.


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-2022-30045
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30045

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 5.17.0-2-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