PCRE Perl-compatible Regular Expression Library up to 8.36 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in PCRE Perl-compatible Regular Expression Library up to 8.36. The impacted element is an unknown function. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2014-8964. There is not any exploit available.

Detailsinfo

A vulnerability was found in PCRE Perl-compatible Regular Expression Library up to 8.36 (Software Library) and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. CVE summarizes:

Heap-based buffer overflow in PCRE 8.36 and earlier allows remote attackers to cause a denial of service (crash) or have other unspecified impact via a crafted regular expression, related to an assertion that allows zero repeats.

The weakness was released 12/16/2014 by Michele Spagnuolo as Bug 1166147 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2014-8964 since 11/18/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 80380 (Fedora 19 : mingw-pcre-8.33-4.fc19 (2014-17626)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168001 (SUSE Enterprise Linux Security update for mariadb (SUSE-SU-2015:1273-1)).

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 databases at Tenable (80380), SecurityFocus (BID 71206†) and Vulnerability Center (SBV-47804†). Entries connected to this vulnerability are available at VDB-68256, VDB-74954 and VDB-92819. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 80380
Nessus Name: Fedora 19 : mingw-pcre-8.33-4.fc19 (2014-17626)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-528
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2014 🔍
11/20/2014 +2 days 🔍
11/20/2014 +0 days 🔍
12/16/2014 +26 days 🔍
12/16/2014 +0 days 🔍
12/24/2014 +8 days 🔍
01/06/2015 +13 days 🔍
03/27/2015 +80 days 🔍
04/07/2022 +2568 days 🔍

Sourcesinfo

Advisory: Bug 1166147
Researcher: Michele Spagnuolo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-8964 (🔍)
GCVE (CVE): GCVE-0-2014-8964
GCVE (VulDB): GCVE-100-73256
SecurityFocus: 71206 - PCRE 'pcre_exec.c' Heap Based Buffer Overflow Vulnerability
Vulnerability Center: 47804 - PCRE <=8.36 Remote DoS Vulnerability via a Crafted Regular Expression, Medium

See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 04/07/2022 22:28
Changes: 03/27/2015 14:56 (64), 06/16/2017 04:37 (9), 04/07/2022 22:28 (3)
Complete: 🔍
Cache ID: 216:826:103

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