PT-2022-12268 · Libslic3R+2 · Libslic3R+2

Published 2022-03-01 · Updated 2022-03-24 · CVE-2021-44962

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Slic3r libslic3r version 1.3.0 Slic3r libslic3r Master Commit b1a5500

Description An out-of-bounds read issue exists in the GCode::extrude() functionality. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this issue.

Recommendations For Slic3r libslic3r version 1.3.0, consider avoiding the use of the GCode::extrude() functionality until a patch is available. For Slic3r libslic3r Master Commit b1a5500, restrict the processing of stl files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-44962

Affected Products

Debian

Slic3R

Libslic3R

References · 12

• 🔥 https://hackmd.io/KSI1bwGfSyO7T8UCf0HeTw · Exploit
• https://ubuntu.com/security/CVE-2021-44962 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44962 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-44962 · Vendor Advisory
• https://slic3r.org · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-44962 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-44962 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-44962 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44962 · Vendor Advisory
• https://t.me/cvenotify/27934 · Telegram Post
• https://t.me/cvenotify/27518 · Telegram Post
• https://t.me/cibsecurity/38241 · Telegram Post