High severity · published Jul 6, 2018
CVE-2018-13348
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…
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mercurial · Mercurial
before 4.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-13348
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-13348
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
Patch
https://www.mercurial-scm.org/repo/hg/rev/90a274965de7
Vendor Advisory
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
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