CVE-2014-3538

Impact:
Moderate
Public Date:
2014-06-27
Bugzilla:
1098222: CVE-2014-3538 file: unrestricted regular expression matching
Multiple flaws were found in the File Information (fileinfo) extension regular expression rules for detecting various files. A remote attacker could use either of these flaws to cause a PHP application using fileinfo to consume an excessive amount of CPU.

Find out more about CVE-2014-3538 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 5.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (php) RHSA-2014:1327 2014-09-30
Red Hat Enterprise Linux 7 (file) RHSA-2015:2155 2015-11-19
Red Hat Software Collections 1 for Red Hat Enterprise Linux 6 (php54-php) RHSA-2014:1765 2014-10-30
Red Hat Software Collections 1 for Red Hat Enterprise Linux 7 (php54-php) RHSA-2014:1765 2014-10-30
Red Hat Enterprise Linux 6 (file) RHSA-2016:0760 2016-05-10
Red Hat Software Collections 1 for Red Hat Enterprise Linux 7 (php55-php) RHSA-2014:1766 2014-10-30
Red Hat Software Collections 1 for Red Hat Enterprise Linux 6 (php55-php) RHSA-2014:1766 2014-10-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 php Not affected
Red Hat Enterprise Linux 5 rpm Not affected
Red Hat Enterprise Linux 5 php53 Not affected
Red Hat Enterprise Linux 5 php Not affected
Red Hat Enterprise Linux 5 file Not affected
Red Hat Enterprise Linux 5 cdrtools Not affected

Acknowledgements

This issue was discovered by Jan Kaluža (Red Hat Web Stack Team).
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