Bug 1328351 (CVE-2016-4021, SYSS-2016-030) - CVE-2016-4021 pgpdump: endless loop parsing specially crafted input
Summary: CVE-2016-4021 pgpdump: endless loop parsing specially crafted input
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: CVE-2016-4021, SYSS-2016-030
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1328353 1328354 1328355
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-04-19 08:05 UTC by Andrej Nemec
Modified: 2021-02-17 04:02 UTC (History)
2 users (show)

Fixed In Version: pgpdump 0.30
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-07-22 20:56:32 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2016-04-19 08:05:24 UTC 
A flaw was discovered in pgpdump. When pgpdump is run on specially crafted input, a Denial-of-Service condition occurs. The program runs with 100% CPU usage for an indefinite amount of time.

External references:

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txt

References:

http://seclists.org/bugtraq/2016/Apr/99

Upstream fix:

https://github.com/kazu-yamamoto/pgpdump/pull/16
Comment 1 Andrej Nemec 2016-04-19 08:07:04 UTC 
Created pgpdump tracking bugs for this issue:

Affects: fedora-all [bug 1328353]
Affects: epel-6 [bug 1328354]
Affects: epel-7 [bug 1328355]
Comment 2 Fedora Update System 2016-05-07 11:49:24 UTC 
pgpdump-0.30-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2016-05-10 17:53:35 UTC 
pgpdump-0.30-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 4 Fedora Update System 2016-05-10 18:00:31 UTC 
pgpdump-0.30-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2016-05-27 23:49:40 UTC 
pgpdump-0.31-1.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.
Comment 6 Fedora Update System 2016-06-01 11:46:52 UTC 
pgpdump-0.31-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.
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