Input validation error in privoxy - CVE-2016-1982
Published: January 27, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32345
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-1982
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The remove_chunked_transfer_coding function in filters.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via crafted chunk-encoded content.
Affected software
privoxy
Amazon Linux AMI
Fedora
privoxy (Alpine package)
privoxy
Amazon Linux AMI
Fedora
privoxy (Alpine package)
privoxy
How to mitigate CVE-2016-1982
Install update from vendor's website.
privoxy - update to 3.0.24
privoxy (Alpine package) - update to 3.0.24-r0
privoxy - addressed in versions 3.0.23-2.el6, 3.0.23-3.el7, 3.0.23-3.fc22, 3.0.23-3.fc23
privoxy (Alpine package) - update to 3.0.24-r0
privoxy - addressed in versions 3.0.23-2.el6, 3.0.23-3.el7, 3.0.23-3.fc22, 3.0.23-3.fc23
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
- http://www.debian.org/security/2016/dsa-3460
- http://www.openwall.com/lists/oss-security/2016/01/21/4
- http://www.openwall.com/lists/oss-security/2016/01/22/3
- http://www.privoxy.org/announce.txt