VulnerabilityModified
CVE-2016-4021
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.
HIGH 7.5EPSS 1.82%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.82% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- fedoraproject/fedora · pgpdump project/pgpdump
- Source
- cve@mitre.org
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.txtExploit
- 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.txtExploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.