PCRE 8.35 Table Jump pcre_jit_compile.c Regex memory corruption

CVSS Meta Temp Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in PCRE 8.35. The affected element is an unknown function of the file pcre_jit_compile.c of the component Table Jump Handler. Executing a manipulation as part of Regex can lead to memory corruption. This vulnerability appears as CVE-2014-9769. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in PCRE 8.35 (Programming Tool Software). It has been declared as critical. This vulnerability affects some unknown functionality of the file pcre_jit_compile.c of the component Table Jump Handler. The manipulation as part of a Regex leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.

The weakness was presented 03/28/2016 (Website). The advisory is available at vcs.pcre.org. This vulnerability was named CVE-2014-9769 since 03/28/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 90306 (Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : pcre3 vulnerabilities (USN-2943-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196440 (Ubuntu Security Notification for pcre3 vulnerabilities (USN-2943-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90306), SecurityFocus (BID 85570†) and Vulnerability Center (SBV-57775†). See VDB-75660, VDB-79370, VDB-79371 and VDB-79376 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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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: 90306
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : pcre3 vulnerabilities (USN-2943-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for pcre3 USN-2943-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/26/2016 🔍
03/28/2016 +1 days 🔍
03/28/2016 +0 days 🔍
03/28/2016 +0 days 🔍
03/28/2016 +0 days 🔍
03/29/2016 +1 days 🔍
03/29/2016 +0 days 🔍
03/29/2016 +0 days 🔍
04/01/2016 +3 days 🔍
07/11/2022 +2292 days 🔍

Sourcesinfo

Advisory: USN-2943-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9769 (🔍)
GCVE (CVE): GCVE-0-2014-9769
GCVE (VulDB): GCVE-100-81538
SecurityFocus: 85570 - PCRE 'pcre_jit_compile.c' Denial of Service Vulnerability
SecurityTracker: 1035424
Vulnerability Center: 57775 - PCRE 8.35 Remote DoS and Other Unspecified Impact via a Crafted String, High

See also: 🔍

Entryinfo

Created: 03/29/2016 12:45
Updated: 07/11/2022 15:23
Changes: 03/29/2016 12:45 (73), 02/03/2019 10:12 (14), 07/11/2022 15:17 (4), 07/11/2022 15:23 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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