CVE Vulnerability

CVE-2019-7309

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

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://sourceware.org/ml/libc-alpha/2019-02/msg00041.html Mailing List Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24155 Issue Tracking Exploit
http://www.securityfocus.com/bid/106835 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/202006-04
Configurations

Configuration 1

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:x86:*
Information

Published : 2019-02-03 02:29

Updated : 2020-08-24 05:37

NVD link : CVE-2019-7309

Mitre link : CVE-2019-7309

Products Affected
No products.
CWE
NVD-CWE-noinfo