Bug 1576640 (CVE-2018-10771) - CVE-2018-10771 abcm2ps: Stack-based buffer overflow in parse.c:get_key() allows for denial of service
Summary: CVE-2018-10771 abcm2ps: Stack-based buffer overflow in parse.c:get_key() allo...
Alias: CVE-2018-10771
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1576641
TreeView+ depends on / blocked
Reported: 2018-05-10 03:24 UTC by Sam Fowler
Modified: 2019-09-29 14:38 UTC (History)
1 user (show)

Fixed In Version: abcm2ps 8.13.21
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2019-06-10 10:22:34 UTC

Attachments (Terms of Use)

Description Sam Fowler 2018-05-10 03:24:49 UTC
Abcm2ps before version 8.13.21 is vulnerable to a stack-based buffer overflow in the parse.c:get_key() function. An attacker could exploit this to cause a denial of service via crafted file.

Upstream issue:


Upstream patch:


Comment 1 Sam Fowler 2018-05-10 03:25:06 UTC
Created abcm2ps tracking bugs for this issue:

Affects: fedora-all [bug 1576641]

Comment 2 Sam Fowler 2018-05-10 03:28:37 UTC
Couldn't reproduce this with abcm2ps-7.8.14-5.fc27.src.rpm on F27:

$ gdb -q abcm2ps
Reading symbols from abcm2ps...done.
(gdb) r ~/Downloads/abcm2ps/POC2 
Starting program: /home/sfowler/rpmbuild/BUILD/abcm2ps-7.8.14/abcm2ps ~/Downloads/abcm2ps/POC2
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
abcm2ps-7.8.14 (March 25, 2015)
File /home/sfowler/Downloads/abcm2ps/POC2
Error in line 6.2: Bad character
   6 [1�
   - In tune '':
Error in line 5.0: w: without music
Output written on Out.ps (1 page, 1 title, 18271 bytes)
[Inferior 1 (process 16672) exited with code 01

Comment 3 Product Security DevOps Team 2019-06-10 10:22:34 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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