Use-after-free in lynx - CVE-2017-1000211
Published: November 17, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37892
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-1000211
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 gain access to sensitive information.
Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory disclosure, because HTML_put_string() can append a chunk onto itself.
Affected software
lynx
Fedora
lynx
Fedora
lynx
How to mitigate CVE-2017-1000211
Install update from vendor's website.
lynx - addressed in versions 2.8.9-0.20.dev16.fc25, 2.8.9-0.20.dev16.fc26