Input validation error in libgit2 - CVE-2018-19456
Published: January 12, 2019 / Updated: January 14, 2019
Vulnerability identifier: #VU16964
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-19456
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote unauthenticated attacker can trick the victim into opening a specially crafted .gitmodules file and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
libgit2
Opensuse
Opensuse
How to mitigate CVE-2018-19456
Install update from vendor's website.