CVE-2020-15904 - Vulnerability Details - OpenCVE

Description

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.

Published: 2020-07-22

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-0058	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.
Github GHSA	GHSA-f8m3-jpxr-hm5x	bsdiff4 out-of-bounds write via patch file

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00373.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/ilanschnell/bsdiff4/blob/master/CHANGELOG.txt
https://github.com/ilanschnell/bsdiff4/commit/49a4cee2feef7deaf9d89e5e793a8824930284d7

History

No history.

Subscriptions

Pypi Bsdiff4

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-07-22T22:25:51.000Z

Updated: 2024-08-04T13:30:23.224Z

Reserved: 2020-07-22T00:00:00.000Z

Link: CVE-2020-15904

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-07-22T23:15:11.330

Modified: 2024-11-21T05:06:25.300

Link: CVE-2020-15904

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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