|Summary:||CVE-2015-6673 libpgf: Use-after-free bug in Decoder.cpp|
|Product:||[Fedora] Fedora||Reporter:||pcheng <gns.encore.mtl>|
|Component:||libpgf||Assignee:||Rex Dieter <rdieter>|
|Status:||CLOSED NEXTRELEASE||QA Contact:||Fedora Extras Quality Assurance <extras-qa>|
|Version:||rawhide||CC:||alekcejk, carnil, rdieter|
|Fixed In Version:||6.14.12-4.el7||Doc Type:||Bug Fix|
|Doc Text:||Story Points:||---|
|Last Closed:||2015-08-19 07:55:01 UTC||Type:||Bug|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
Description pcheng 2015-08-09 15:22:29 UTC
Created attachment 1060748 [details] sample for reproducing crash Description of problem: Recently I reported an use-after-free issue in Decoder.cpp to upstream. And it's fixed by the upstream. The problem is due to lack of validation of ColorTableSize. The bug was fixed by upstream: https://sourceforge.net/p/libpgf/code/147/ https://sourceforge.net/p/libpgf/code/148/ Version-Release number of selected component (if applicable): Versions before 6.15.32 How reproducible: In the upstream's repo, there is a proof-of-concept utility(https://sourceforge.net/p/libpgf/code/HEAD/tree/trunk/pgf , note: the bug is in the library, not in this utility). Issuing the following commands with the attached crash.pgf: $ ./libpgf-code-136-trunk/pgf/build/src/pgf -d crash.pgf out.gif
Comment 1 Fedora Update System 2015-08-10 17:33:38 UTC
libpgf-6.14.12-4.fc23 has been submitted as an update for Fedora 23. https://admin.fedoraproject.org/updates/libpgf-6.14.12-4.fc23
Comment 2 Fedora Update System 2015-08-10 18:37:11 UTC
libpgf-6.14.12-4.el7 has been submitted as an update for Fedora EPEL 7. https://admin.fedoraproject.org/updates/libpgf-6.14.12-4.el7
Comment 3 Fedora Update System 2015-08-11 06:17:38 UTC
Package libpgf-6.14.12-4.el7: * should fix your issue, * was pushed to the Fedora EPEL 7 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=epel-testing libpgf-6.14.12-4.el7' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-EPEL-2015-7600/libpgf-6.14.12-4.el7 then log in and leave karma (feedback).
Comment 4 Fedora Update System 2015-08-19 07:55:01 UTC
libpgf-6.14.12-4.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 Adam Mariš 2015-08-26 09:01:28 UTC
CVE assignment: http://seclists.org/oss-sec/2015/q3/437
Comment 6 Fedora Update System 2015-08-26 22:25:13 UTC
libpgf-6.14.12-4.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.