Bug 1475358 (CVE-2017-11543) - CVE-2017-11543 tcpdump: buffer overflow in the sliplink_print function
Summary: CVE-2017-11543 tcpdump: buffer overflow in the sliplink_print function
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-11543
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:
: 1475363 (view as bug list)
Depends On: 1475364
Blocks: 1490633
TreeView+ depends on / blocked
 
Reported: 2017-07-26 13:46 UTC by Adam Mariš
Modified: 2021-02-17 01:49 UTC (History)
5 users (show)

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.
Clone Of:
Environment:
Last Closed: 2017-08-02 06:09:51 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2017-07-26 13:46:15 UTC 
tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in
print-sl.c.

Reproducer:

https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/global-overflow/print-sl
Comment 1 Adam Mariš 2017-07-26 13:52:19 UTC 
Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1475364]
Comment 4 Doran Moppert 2017-08-02 06:04:31 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 Adam Mariš 2017-12-11 15:19:49 UTC 
*** Bug 1475363 has been marked as a duplicate of this bug. ***
Comment 7 Doran Moppert 2018-05-16 02:45:06 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
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