CVE-2015-4041

Public Exploit

Description

The keycompare_mb function in sort.c in sort in GNU Coreutils through 8.23 on 64-bit platforms performs a size calculation without considering the number of bytes occupied by multibyte characters, which allows attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via long UTF-8 strings.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Third-Party Advisory openwall.com Third-Party Advisory suse.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://openwall.com/lists/oss-security/2015/05/15/1 patch mailing list exploit third party advisory
https://github.com/pixelb/coreutils/commit/bea5e36cc876ed627bb5e0eca36fdfaa6465e940 patch
https://bugzilla.suse.com/show_bug.cgi?id=928749 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2015-4041?
CVE-2015-4041 has been scored as a high severity vulnerability.
How to fix CVE-2015-4041?
To fix CVE-2015-4041, 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-2015-4041 being actively exploited in the wild?
It is possible that CVE-2015-4041 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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