PT-2021-11561 · Slic3R · Slic3R

Published 2021-03-03 · Updated 2022-08-31 · CVE-2020-28591

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Slic3r libslic3r version 1.3.0 Slic3r libslic3r Master Commit 92abbc42

Description: An out-of-bounds read issue exists in the AMF File AMFParserContext::endElement() functionality. A specially crafted AMF file can 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 AMFParserContext::endElement() function until a patch is available. For Slic3r libslic3r Master Commit 92abbc42, restrict the processing of AMF files to minimize the risk of exploitation. As a temporary workaround, consider disabling the AMFParserContext::endElement() function until a patch is available.

Exploit

Fix

Out of bounds Read

RCE

Weakness Enumeration

CWE-125

CWE-20

Related Identifiers

CVE-2020-28591

MGASA-2021-0276

Affected Products

Slic3R

References · 18

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1215 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2020-28591 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28591 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-28591 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/TCSYYURJTUKJSEZIPDAXK4NHRXZMHIVA · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-28591 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-28591 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJPM24DY36EH3HFJGAXDLGFT43VZWLJ7 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBEK4H23AS6TKTGU2OTMHAZZYNECQVCB · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28591 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCSYYURJTUKJSEZIPDAXK4NHRXZMHIVA · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0276.html · Security Note
• https://osv.dev/vulnerability/MGASA-2021-0276 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-28591 · Security Note
• https://t.me/cibsecurity/24414 · Telegram Post