Out-of-bounds read - CVE-2018-14447

Vulnerability identifier: #VU33004

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-14447

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

trim_whitespace in lexer.l in libConfuse v3.2.1 has an out-of-bounds read.

confuse (Alpine package)
libconfuse
mingw-libconfuse
Fedora

Install update from vendor's website.

confuse (Alpine package) - addressed in versions 3.2.2-r0, 3.2.2-r1
libconfuse - addressed in versions 3.2.2-1.fc27, 3.2.2-1.fc28, 3.2.2-1.fc29
mingw-libconfuse - addressed in versions 3.2.2-1.fc28, 3.2.2-1.fc29

• http://hac425.unaux.com/index.php/archives/64/
• https://github.com/martinh/libconfuse/issues/109
• https://lists.debian.org/debian-lts-announce/2018/08/msg00017.html

• Out-of-bounds read in confuse (Alpine package)
• Fedora 28 update for libconfuse
• Fedora 29 update for libconfuse
• Fedora 27 update for libconfuse
• Fedora 28 update for mingw-libconfuse
• Fedora 29 update for mingw-libconfuse