CVE-2018-15501

Public Exploit

Description

In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory chromium.org Third-Party Advisory suse.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org Third-Party Advisory debian.org Third-Party Advisory pro-linux.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406 issue tracking patch exploit third party advisory
https://github.com/libgit2/libgit2/releases/tag/v0.27.4 third party advisory release notes
https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html third party advisory
https://bugzilla.suse.com/show_bug.cgi?id=1104641 issue tracking third party advisory patch
https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html third party advisory mailing list
https://github.com/libgit2/libgit2/releases/tag/v0.26.6 third party advisory release notes
https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649 third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-15501?
CVE-2018-15501 has been scored as a high severity vulnerability.
How to fix CVE-2018-15501?
To fix CVE-2018-15501, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15501 being actively exploited in the wild?
It is possible that CVE-2018-15501 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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