Vulnerability Monitor

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CVE-2015-4041

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.

Published

2020-01-24T17:15:12.500

Last Modified

2024-11-21T02:30:20.313

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	coreutils	≤ 8.23	Yes

References

http://openwall.com/lists/oss-security/2015/05/15/1 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.suse.com/show_bug.cgi?id=928749 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/pixelb/coreutils/commit/bea5e36cc876ed627bb5e0eca36fdfaa6465e940 Patch ([email protected])
http://openwall.com/lists/oss-security/2015/05/15/1 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.suse.com/show_bug.cgi?id=928749 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pixelb/coreutils/commit/bea5e36cc876ed627bb5e0eca36fdfaa6465e940 Patch (af854a3a-2127-422b-91ae-364da2661108)