Out-of-bounds read in UnZip - CVE-2015-7696
Published: November 6, 2015 / Updated: August 3, 2020
Vulnerability identifier: #VU33148
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-7696
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in Info-ZIP UnZip 6.0. A remote attacker can perform a denial of service (heap-based buffer over-read and application crash) or possibly execute arbitrary code via a crafted password-protected ZIP archive, possibly related to an Extra-Field size value.
Affected software
UnZip
unzip (Alpine package)
Opensuse
unzip (Alpine package)
Opensuse
How to mitigate CVE-2015-7696
Update to version 6.10b.
UnZip - update to 6.10 b
unzip (Alpine package) - update to 6.0-r3
unzip (Alpine package) - update to 6.0-r3
External References
- http://www.debian.org/security/2015/dsa-3386
- http://www.openwall.com/lists/oss-security/2015/09/07/4
- http://www.openwall.com/lists/oss-security/2015/09/15/6
- http://www.openwall.com/lists/oss-security/2015/09/21/6
- http://www.openwall.com/lists/oss-security/2015/10/11/5
- http://www.securityfocus.com/bid/76863
- http://www.securitytracker.com/id/1034027
- http://www.ubuntu.com/usn/USN-2788-1
- http://www.ubuntu.com/usn/USN-2788-2