// For flags

CVE-2015-8391

pcre: inefficient posix character class syntax check (8.38/16)

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

La función pcre_compile en pcre_compile.c en PCRE en versiones anteriores a 8.38 no maneja correctamente cierta anidación [: , lo que permite a atacantes remotos causar una denegación de servicio (consumo de CPU) o posiblemente tener otro impacto no especificado a través de una expresión regular manipulada, según lo demostrado por un objeto JavaScript RegExp encontrado por Konqueror.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Complete
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-12-01 CVE Reserved
  • 2015-12-02 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-407: Inefficient Algorithmic Complexity
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pcre
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Pcre
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< 8.38
Search vendor "Pcre" for product "Pcre" and version " < 8.38"
-
Affected
Oracle
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Linux
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7
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-
Affected
Fedoraproject
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Fedora
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22
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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-
Affected
Redhat
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Enterprise Linux Eus
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7.2
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-
Affected
Redhat
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Enterprise Linux Eus
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7.3
Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.3"
-
Affected
Redhat
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Enterprise Linux Eus
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7.4
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-
Affected
Redhat
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Enterprise Linux Eus
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7.5
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-
Affected
Redhat
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Enterprise Linux Eus
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7.6
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-
Affected
Redhat
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Enterprise Linux Eus
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7.7
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-
Affected
Redhat
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Enterprise Linux Server
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7.0
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.2
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.3
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.4
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.6
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.7
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.2
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.3
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.6
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.7
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-
Affected
Redhat
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Enterprise Linux Workstation
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7.0
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-
Affected
Php
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Php
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>= 5.5.0 < 5.5.32
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-
Affected
Php
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Php
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>= 5.6.0 < 5.6.18
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-
Affected
Php
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Php
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>= 7.0.0 < 7.0.3
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-
Affected