CVE-2020-35493

Public Exploit

Description

A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: n/a binutils
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1911437 issue tracking patch exploit third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/ vendor advisory
https://security.netapp.com/advisory/ntap-20210212-0007/ third party advisory
https://security.gentoo.org/glsa/202107-24 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-35493?
CVE-2020-35493 has been scored as a medium severity vulnerability.
How to fix CVE-2020-35493?
To fix CVE-2020-35493, 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-2020-35493 being actively exploited in the wild?
It is possible that CVE-2020-35493 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.
What software or system is affected by CVE-2020-35493?
CVE-2020-35493 affects n/a binutils.
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