CVE-2023-49568

Maliciously crafted Git server replies can cause DoS on go-git clients

Description

A denial of service (DoS) vulnerability was discovered in go-git versions prior to v5.11. This vulnerability allows an attacker to perform denial of service attacks by providing specially crafted responses from a Git server which triggers resource exhaustion in go-git clients. Applications using only the in-memory filesystem supported by go-git are not affected by this vulnerability. This is a go-git implementation issue and does not affect the upstream git cli.

Remediation

Solution:

  • An upgrade to v. 5.11 fixes this issue

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory github.com
Affected: go-git go-git
Published at:
Updated at:

References

Link Tags
https://github.com/go-git/go-git/security/advisories/GHSA-mw99-9chc-xw7r vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-49568?
CVE-2023-49568 has been scored as a high severity vulnerability.
How to fix CVE-2023-49568?
To fix CVE-2023-49568: An upgrade to v. 5.11 fixes this issue
Is CVE-2023-49568 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-49568 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-49568?
CVE-2023-49568 affects go-git go-git.
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