#VU56093 Out-of-bounds read in libfetch - CVE-2021-36159

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Main Vulnerability Database Vulnerabilities #VU56093

#VU56093 Out-of-bounds read in libfetch - CVE-2021-36159

Published: August 25, 2021


Vulnerability identifier: #VU56093
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-36159
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libfetch
Software vendor:
cvsweb.netbsd.org

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling numeric strings for the FTP and HTTP protocols in strtol. A remote attacker can pass specially crafted input to the application, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.


Remediation

Install updates from vendor's website.

External links