#VU14546 Out-of-bounds read in libgit2 - CVE-2018-15501
Published: August 25, 2018 / Updated: August 28, 2018
Vulnerability identifier: #VU14546
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-15501
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libgit2
libgit2
Software vendor:
libgit2.github.com
libgit2.github.com
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds read in ng_pkt in transports/smart_pkt.c in libgit2. A remote attacker can send a specially crafted smart-protocol "ng" packet that lacks a '' byte and cause the service to crash.
Remediation
The vulnerability has been fixed in the versions 0.26.6, 0.27.4.