CVE-2018-15501 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406 Third Party Advisory 
https://bugzilla.suse.com/show_bug.cgi?id=1104641 Issue Tracking  Patch  Third Party Advisory 
https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649 Patch  Third Party Advisory 
https://github.com/libgit2/libgit2/releases/tag/v0.26.6 Third Party Advisory 
https://github.com/libgit2/libgit2/releases/tag/v0.27.4 Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html Mailing List  Third Party Advisory 
https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-15501
NVD Published Date:
08/17/2018
NVD Last Modified:
10/12/2018
Source:
MITRE