Bug 852481 (CVE-2015-2785)
Summary: | CVE-2015-2785 byzanz: Out-of heap-based buffer write in GIF encoder | ||
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Product: | [Other] Security Response | Reporter: | Jan Lieskovsky <jlieskov> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED WONTFIX | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | apo, carnil, fleite, jrusnack, otte, security-response-team |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2015-04-09 04:49:02 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: | |||
Bug Blocks: | 852484 |
Description
Jan Lieskovsky
2012-08-28 16:53:44 UTC
This issue affects the version of the byzanz package, as shipped with Red Hat Enterprise Linux 6. -- This issue affects the versions of the byzanz package, as shipped with Fedora release of 16 and 17. Hi Jan, (In reply to Jan Lieskovsky from comment #0) > Out-of heap-based buffer write flaw was found in the way Graphics > Interchange Format (GIF) image format encoder of Byzanz, a desktop recorder, > performed encoding of certain Byzanz debug data recordings (ByzanzRecording > files) into GIF images. A remote attacker could provide a specially-crafted > Byzanz debug data recording file that, when opened in byzanz-playback > executable would lead to that executable crash or, potentially, arbitrary > code execution with the privileges of the user running the byzanz-playback > binary. > > This issue was found by: Murray McAllister, Red Hat Security Response Team Are there more information which you could share? I see Bug 852484 is at least restricted. Are there patches available for this issue in byzanz? Regards, Salvatore (In reply to Salvatore Bonaccorso from comment #6) > Hi Jan, > > (In reply to Jan Lieskovsky from comment #0) > > Out-of heap-based buffer write flaw was found in the way Graphics > > Interchange Format (GIF) image format encoder of Byzanz, a desktop recorder, > > performed encoding of certain Byzanz debug data recordings (ByzanzRecording > > files) into GIF images. A remote attacker could provide a specially-crafted > > Byzanz debug data recording file that, when opened in byzanz-playback > > executable would lead to that executable crash or, potentially, arbitrary > > code execution with the privileges of the user running the byzanz-playback > > binary. > > > > This issue was found by: Murray McAllister, Red Hat Security Response Team > > Are there more information which you could share? I see Bug 852484 is at > least restricted. Are there patches available for this issue in byzanz? Hello Salvatore, I am not part of Red Hat Product Security Team any more (=> can't share progress done on this issue with you). Please contact secalert for further issue details. Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat Security Technologies Team > > Regards, > Salvatore Statement: This issue affects the versions of byzanz as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/. Hello Salvatore, (In reply to Salvatore Bonaccorso from comment #6) > > Are there more information which you could share? I see Bug 852484 is at > least restricted. Are there patches available for this issue in byzanz? Are you still looking for more information on this bug? I see that the needinfo flag was set to a generic internal address so nobody got a notification when it was set. Thank you for your attention, Fábio Olivé (In reply to Fabio Olive Leite from comment #9) > Hello Salvatore, > > (In reply to Salvatore Bonaccorso from comment #6) > > > > Are there more information which you could share? I see Bug 852484 is at > > least restricted. Are there patches available for this issue in byzanz? > > Are you still looking for more information on this bug? I see that the > needinfo flag was set to a generic internal address so nobody got a > notification when it was set. Hello, I'm the Debian maintainer of byzanz. CVE-2015-2785 was assigned to this bug report but we still don't know anything about the vulnerability. What part of the code is affected? Can someone provide a test case? Are there any patches available? Regards, Markus Koschany |