Bug 1697938 (CVE-2019-10901) - CVE-2019-10901 wireshark: LDSS dissector crash (wnpa-sec-2019-17)
Summary: CVE-2019-10901 wireshark: LDSS dissector crash (wnpa-sec-2019-17)
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2019-10901
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1697939 1710757
Blocks: 1697993
TreeView+ depends on / blocked
 
Reported: 2019-04-09 10:39 UTC by Marian Rehak
Modified: 2021-06-29 20:13 UTC (History)
9 users (show)

Fixed In Version: wireshark 3.0.1, wireshark 2.6.8, wireshark 2.4.14
Clone Of:
Environment:
Last Closed: 2021-06-29 20:13:32 UTC
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2019-04-09 10:39:40 UTC 
A SIGSEGV crash due to a NULL pointer dereference can be observed in an ASAN build of Wireshark, by feeding a malformed file to tshark ("$ ./tshark -nVxr /path/to/file")

External Referencies:
https://www.wireshark.org/security/wnpa-sec-2019-17.html

Upstream bug(s):
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15620
Comment 1 Marian Rehak 2019-04-09 10:39:51 UTC 
Created wireshark tracking bugs for this issue:

Affects: fedora-all [bug 1697939]
Comment 3 Riccardo Schirone 2019-05-15 14:24:53 UTC 
Upstream patch:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6c3467945cd9bf1242a2dcd4a8fbff32b885391e
Comment 4 Riccardo Schirone 2019-05-16 09:17:13 UTC 
A NULL pointer dereference flaw is present in value_get() function in epan/ftypes/ftype-bytes.c that causes the LDSS dissector to crash.
Comment 5 Riccardo Schirone 2019-05-16 09:17:15 UTC 
External References:

https://www.wireshark.org/security/wnpa-sec-2019-17.html
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