cloudcompare: CVE-2021-21897 - heap-based buffer overflow loading a DXF file via embedded dxflib

Debian Bug report logs - #1010347
cloudcompare: CVE-2021-21897 - heap-based buffer overflow loading a DXF file via embedded dxflib

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Neil Williams <codehelp@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: cloudcompare: CVE-2021-21897 - heap-based buffer overflow loading a DXF file via embedded dxflib

Date: Fri, 29 Apr 2022 11:07:30 +0100

Source: cloudcompare
Version: 2.11.3-5
Severity: important
Tags: security
X-Debbugs-Cc: codehelp@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for cloudcompare.

CVE-2021-21897[0]:
| A code execution vulnerability exists in the
| DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib
| 3.17.0. A specially-crafted .dxf file can lead to a heap buffer
| overflow. An attacker can provide a malicious file to trigger this
| vulnerability.


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-2021-21897
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21897

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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