CVE-2021-3402

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-3402
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

9.1 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
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/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/
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
Configurations

Configuration 1 (hide)

cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

24 May 2021, 16:30

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ - Mailing List, Third Party Advisory
References (MISC) https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/ - (MISC) https://www.x41-dsec.de/lab/advisories/x41-2021-001-yara/ - Exploit, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ - Mailing List, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/01/29/2 - (MISC) https://www.openwall.com/lists/oss-security/2021/01/29/2 - Exploit, Mailing List, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1930175 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1930175 - Issue Tracking, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 6.4
v3 : 9.1
CWE CWE-190
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Information

Published : 2021-05-14 21:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-3402

Mitre link : CVE-2021-3402

CVE.ORG link : CVE-2021-3402

JSON object : View

Products Affected

virustotal

  • yara

fedoraproject

  • fedora
CWE
CWE-190

Integer Overflow or Wraparound