Heap-based buffer overflow in lrzip - CVE-2017-8844
Published: May 8, 2017 / Updated: February 16, 2021
Vulnerability identifier: #VU39067
CSH Severity: Medium
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8844
CWE-ID: CWE-122
Exploitation vector: Local 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 a boundary error in The read_1g function in stream.c in liblrzip.so in lrzip 0.631. A remote attacker can use a crafted archive. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
lrzip
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2017-8844
Install update from vendor's website.
lrzip - update to 0.640