Home/CVE/The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name coll
CVE

CVE-2015-5224

The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name coll

The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name collision and possibly other attacks.

CRITICAL · CVSS 9.8 EPSS 0.04076
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-377Insecure Temporary File
▤

Affected Products & Versions

2
kernel util-linux<= 2.26.2
kernel util-linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Aug 2017 · 03:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2015/08/24/3Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/76467Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1256686Issue TrackingPatchThird Party Advisory
https://github.com/karelzak/util-linux/commit/bde91c85bdc77975155058276f99d2e0f5eab5a9PatchThird Party Advisory
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