CVE-2019-7149
First published: Tue Jan 29 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/elfutils | 0.183-1 0.188-2.1 0.192-4 | |
| CentOS Elfutils | =0.175 | |
| Debian | =8.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:2197
- https://access.redhat.com/errata/RHSA-2019:3575
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=24102
- https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html
- https://usn.ubuntu.com/4012-1/
- https://launchpad.net/bugs/cve/CVE-2019-7149
- https://sourceware.org/git/?p=elfutils.git;a=commit;h=2562759d6fe5b364fe224852e64e8bda39eb2e35
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1671444
- https://access.redhat.com/security/cve/cve-2019-7149
- https://bugzilla.redhat.com/show_bug.cgi?id=1671443
- https://security-tracker.debian.org/tracker/CVE-2019-7149
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7149
- https://nvd.nist.gov/vuln/detail/CVE-2019-7149
- https://ubuntu.com/security/CVE-2019-7149
Frequently Asked Questions
What is the severity of CVE-2019-7149?
CVE-2019-7149 has a medium severity rating due to its potential to cause denial-of-service through segmentation faults.
How do I fix CVE-2019-7149?
To fix CVE-2019-7149, upgrade libdw in elfutils to versions 0.183-1, 0.188-2.1, or 0.192-4 or later.
What type of vulnerability is CVE-2019-7149?
CVE-2019-7149 is a heap-based buffer over-read vulnerability.
What software is affected by CVE-2019-7149?
CVE-2019-7149 affects elfutils version 0.175 and specific Debian Linux distributions.
What are the potential impacts of CVE-2019-7149?
The potential impacts of CVE-2019-7149 include application crashes and denial-of-service conditions.
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