CVE-2018-7642

Description

The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.27%
Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c89186673a7c92620d21825b25
https://access.redhat.com/errata/RHSA-2018:3032 third party advisory vendor advisory
https://security.gentoo.org/glsa/201811-17 third party advisory vendor advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22887 issue tracking third party advisory
https://access.redhat.com/errata/RHBA-2019:0327 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7642?
CVE-2018-7642 has been scored as a medium severity vulnerability.
How to fix CVE-2018-7642?
To fix CVE-2018-7642, 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-2018-7642 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-7642 is being actively exploited. 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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