CVE Vulnerability

CVE-2020-14315

A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1856747 Issue Tracking Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/07/09/2 Mailing List Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:*
Information

Published : 2020-09-16 02:15

Updated : 2022-01-01 06:38

NVD link : CVE-2020-14315

Mitre link : CVE-2020-14315

Products Affected
No products.
CWE
CWE-787