CVE Vulnerability

CVE-2020-10769

A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://lkml.org/lkml/2019/1/21/675 Exploit Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html
https://bugzilla.redhat.com/show_bug.cgi?id=1708775%3B
Configurations

Configuration 1

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Information

Published : 2020-06-26 04:15

Updated : 2023-02-12 11:39

NVD link : CVE-2020-10769

Mitre link : CVE-2020-10769

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read