CVEvulnerability
CVE-2021-3402
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-05-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
- Weaknesses
- CWE-190
Description
An integer overflow and several buffer overflow reads in libyara/modules/macho/macho.c in YARA v4.0.3 and earlier could allow an attacker to either cause denial of service or information disclosure via a malicious Mach-O file. Affects all versions before libyara 4.0.4
Affected configurations
• virustotal yara (< 4.0.4)
• fedoraproject fedora 33
• fedoraproject fedora 34
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1930175 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ lists.fedoraproject.org
- https://www.openwall.com/lists/oss-security/2021/01/29/2 Exploit, Mailing List, Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/ Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1930175 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ lists.fedoraproject.org
- https://www.openwall.com/lists/oss-security/2021/01/29/2 Exploit, Mailing List, Third Party Advisory
- https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/ Exploit, Third Party Advisory