Bug 1475359 (CVE-2017-11544)

Summary:	CVE-2017-11544 tcpdump: Segmentation Violation in the compressed_sl_print
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dmoppert, luhliari, mruprich, msehnout, msekleta, thozza
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was discovered in tcpdump's handling of LINKTYPE_SLIP pcap files. An attacker could craft a malicious pcap file that would cause tcpdump to crash when attempting to print a summary of packet data within the file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-08-02 06:09:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1475364
Bug Blocks:	1490633

Description Adam Mariš 2017-07-26 13:49:10 UTC

tcpdump 4.9.0 has a Segmentation Violation in the compressed_sl_print function in print-sl.c:229:3.

Reproducer:

https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/segv/print-sl

Comment 1 Adam Mariš 2017-07-26 13:52:09 UTC

Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1475364]

Comment 4 Doran Moppert 2017-08-02 06:04:29 UTC

Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Comment 6 Doran Moppert 2018-05-16 02:45:48 UTC

This issue was addressed in Red Hat Enterprise Linux 7 via RHEA-2018:0705, which rebased tcpdump to 4.9.2:

https://access.redhat.com/errata/RHEA-2018:0705

Comment 7 Doran Moppert 2018-05-16 03:52:09 UTC

This issue was determined to be a duplicate of CVE-2017-11543:

https://github.com/the-tcpdump-group/tcpdump/issues/619#issuecomment-328067873
https://nvd.nist.gov/vuln/detail/CVE-2017-11544