Vulnerability Description
The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input, as demonstrated by the \xa3\x03 string.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 22 |
| Pgpdump Project | Pgpdump | <= 0.29 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183750.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184617.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184689.html
- http://seclists.org/bugtraq/2016/Apr/99Exploit
- https://github.com/kazu-yamamoto/pgpdump/pull/16
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.tExploit
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183750.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184617.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184689.html
- http://seclists.org/bugtraq/2016/Apr/99Exploit
- https://github.com/kazu-yamamoto/pgpdump/pull/16
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.tExploit
FAQ
What is CVE-2016-4021?
CVE-2016-4021 is a vulnerability with a CVSS score of 7.5 (HIGH). The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input, as demonstrated by th...
How severe is CVE-2016-4021?
CVE-2016-4021 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-4021?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Pgpdump Project Pgpdump.