Bug 1549701 (CVE-2017-18199)

Summary: CVE-2017-18199 libcdio: NULL pointer dereference in realloc_symlink in rock.c
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: adrian, dkholia, hhorak, jamartis
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libcdio 1.0.0 Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the way libcdio handled processing of ISO files. An attacker could potentially use this flaw to crash applications using libcdio by tricking them into processing crafted ISO files.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 03:41:40 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: 1549712, 1549713, 1553604, 1553616    
Bug Blocks: 1549715    

Description Pedro Sampaio 2018-02-27 16:52:01 UTC
The realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted ISO file.

Upstream issue:

https://savannah.gnu.org/bugs/?52264

Comment 1 Pedro Sampaio 2018-02-27 17:08:47 UTC
Created libcdio tracking bugs for this issue:

Affects: fedora-all [bug 1549713]

Comment 9 errata-xmlrpc 2018-10-30 07:53:00 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3246 https://access.redhat.com/errata/RHSA-2018:3246