Heap-based buffer overflow in lrzip - CVE-2017-8844
Published: May 8, 2017 / Updated: February 16, 2021
Vulnerability identifier: #VU39067
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2017-8844
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: ckolivas (Con Kolivas)
Affected software:
lrzip
lrzip
Detailed vulnerability description
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.
How to mitigate CVE-2017-8844
Install update from vendor's website.