Buffer overflow in cpio - CVE-2016-2037

Vulnerability identifier: #VU33162

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-2037

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The cpio_safer_name_suffix function in util.c in cpio 2.11 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted cpio file.

cpio
Gentoo Linux
openEuler
cpio (Alpine package)
app-arch/cpio
cpio
cpio-debuginfo
cpio-debugsource
cpio-help

Install update from vendor's website.

cpio (Alpine package) - addressed in versions 2.12-r3, 2.13-r0
app-arch/cpio - update to 2.13-r1
cpio - update to 2.13-2
cpio-debuginfo - update to 2.13-2
cpio-debugsource - update to 2.13-2
cpio-help - update to 2.13-2

• http://www.debian.org/security/2016/dsa-3483
• http://www.openwall.com/lists/oss-security/2016/01/19/4
• http://www.openwall.com/lists/oss-security/2016/01/22/4
• http://www.securityfocus.com/bid/82293
• http://www.securitytracker.com/id/1035067
• http://www.ubuntu.com/usn/USN-2906-1

• Buffer overflow in GNU cpio
• Buffer overflow in cpio (Alpine package)
• openEuler 20.03 LTS update for cpio
• Gentoo update for cpio