CVE Vulnerability

CVE-2020-15904

A buffer overflow in the patching routine of bsdiff4 before 1.2.0 allows an attacker to write to heap memory (beyond allocated bounds) via a crafted patch file.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7 Patch Third Party Advisory
https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pypi:bsdiff4:*:*:*:*:*:*:*:*
Information

Published : 2020-07-22 11:15

Updated : 2023-01-28 02:04

NVD link : CVE-2020-15904

Mitre link : CVE-2020-15904

Products Affected
No products.
CWE
CWE-787