Use-after-free in lrzip - CVE-2018-11496
Published: May 26, 2018 / Updated: February 16, 2021
Vulnerability identifier: #VU37109
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-11496
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_file in lrzip.c lacks certain size validation.
Affected software
lrzip
How to mitigate CVE-2018-11496
Install update from vendor's website.
lrzip - update to 0.640