Bug 1549701 (CVE-2017-18199) - CVE-2017-18199 libcdio: NULL pointer dereference in realloc_symlink in rock.c
Summary: CVE-2017-18199 libcdio: NULL pointer dereference in realloc_symlink in rock.c
Alias: CVE-2017-18199
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1549712 1549713 1553604 1553616
Blocks: 1549715
TreeView+ depends on / blocked
Reported: 2018-02-27 16:52 UTC by Pedro Sampaio
Modified: 2019-09-29 14:33 UTC (History)
4 users (show)

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.
Clone Of:
Last Closed: 2019-06-08 03:41:40 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3246 0 None None None 2018-10-30 07:53:06 UTC

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:


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

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