VDB-105669 · CVE-2015-5224 · BID 76467

util-linux on Linux login-utils mkostemp File Name access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in util-linux on Linux. This vulnerability affects the function mkostemp of the component login-utils. Performing a manipulation as part of File Name results in access control. This vulnerability is cataloged as CVE-2015-5224. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in util-linux on Linux (the affected version is unknown). This affects the function mkostemp of the component login-utils. The manipulation as part of a File Name leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. The summary by CVE is:

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

The bug was discovered 08/24/2015. The weakness was shared 08/23/2017 with Qualys (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2015-5224 since 07/01/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 730 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 76467†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2015-0352
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

07/01/2015 🔍
08/24/2015 +54 days 🔍
08/24/2015 +0 days 🔍
08/23/2017 +730 days 🔍
08/23/2017 +0 days 🔍
08/24/2017 +1 days 🔍
12/04/2025 +3024 days 🔍

Sourcesinfo

Advisory: bde91c85bdc77975155058276f99d2e0f5eab5a9
Researcher: Qualys Security Advisory
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5224 (🔍)
GCVE (CVE): GCVE-0-2015-5224
GCVE (VulDB): GCVE-100-105669
SecurityFocus: 76467 - login-utils File Name Collision Security Weakness

Entryinfo

Created: 08/24/2017 10:30
Updated: 12/04/2025 23:27
Changes: 08/24/2017 10:30 (62), 11/09/2019 17:55 (7), 01/09/2021 20:16 (3), 12/16/2022 11:54 (3), 12/04/2025 23:27 (21)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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