CVE-2019-7149

Public Exploit

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.44%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html mailing list third party advisory patch
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html third party advisory mailing list
https://sourceware.org/bugzilla/show_bug.cgi?id=24102 issue tracking exploit third party advisory
https://usn.ubuntu.com/4012-1/ vendor advisory
https://access.redhat.com/errata/RHSA-2019:2197 vendor advisory
https://access.redhat.com/errata/RHSA-2019:3575 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-7149?
CVE-2019-7149 has been scored as a medium severity vulnerability.
How to fix CVE-2019-7149?
To fix CVE-2019-7149, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-7149 being actively exploited in the wild?
It is possible that CVE-2019-7149 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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