CVE-2018-13348: Input Validation
First published: Fri Jul 06 2018(Updated: )
The `mpatch_decode` function in `mpatch.c` in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mercurial Mercurial | <4.6.1 | |
| pip/mercurial | <4.6.1 | 4.6.1 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://www.mercurial-scm.org/repo/hg/rev/90a274965de7
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
- https://nvd.nist.gov/vuln/detail/CVE-2018-13348
- https://github.com/advisories/GHSA-3v62-ww8w-758m (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2018-90.yaml
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-13348.
What is the severity of CVE-2018-13348?
The severity of CVE-2018-13348 is high with a CVSS score of 7.5.
What software is affected by CVE-2018-13348?
Mercurial versions up to and excluding 4.6.1 are affected by CVE-2018-13348.
How does the vulnerability in CVE-2018-13348 manifest?
The vulnerability in CVE-2018-13348 manifests in the mishandling of certain situations in the mpatch_decode function in Mercurial before 4.6.1.
Is there a fix available for CVE-2018-13348?
Yes, the fix for CVE-2018-13348 is included in Mercurial version 4.6.1 and later.
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