PyPi: Bsdiff4

CVE-2020-15904

Safety vulnerability ID: 42280

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Jul 22, 2020 Updated at Nov 29, 2024

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Advisory

Bsdiff4 1.2.0 includes a fix for 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.

Affected package

bsdiff4

Latest version: 1.2.5

binary diff and patch using the BSDIFF4-format

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

HIGH 7.8

CVSS v3 Details

HIGH 7.8

Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality Impact (C): HIGH
Integrity Impact (I): HIGH
Availability Availability (A): HIGH

CVSS v2 Details

MEDIUM 6.8

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): PARTIAL
Integrity Impact (I): PARTIAL
Availability Impact (A): PARTIAL