Bug 1671443 (CVE-2019-7149) - CVE-2019-7149 elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw
Summary: CVE-2019-7149 elfutils: heap-based buffer over-read in read_srclines in dwarf...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-7149
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1680054 1671444 1680055 1680056
Blocks: 1671448
TreeView+ depends on / blocked
 
Reported: 2019-01-31 15:34 UTC by Laura Pardo
Modified: 2019-09-29 15:07 UTC (History)
12 users (show)

Fixed In Version:
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Environment:
Last Closed: 2019-08-06 13:21:38 UTC


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System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:2197 None None None 2019-08-06 12:27:12 UTC

Description Laura Pardo 2019-01-31 15:34:14 UTC
A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.


References:
https://sourceware.org/bugzilla/show_bug.cgi?id=24102
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html

Upstream Patch:
https://sourceware.org/git/?p=elfutils.git;a=commit;h=2562759d6fe5b364fe224852e64e8bda39eb2e35

Comment 1 Laura Pardo 2019-01-31 15:34:25 UTC
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1671444]

Comment 4 Dave Baker 2019-03-06 16:04:59 UTC
Flagging openshift-online-3 as NOTAFFECTED since binaries ship as part of RHEL.

Comment 5 errata-xmlrpc 2019-08-06 12:27:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2197 https://access.redhat.com/errata/RHSA-2019:2197

Comment 6 Product Security DevOps Team 2019-08-06 13:21:38 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-7149


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