VDB-219295 · CVE-2015-2326 · Qualys 123825

PCRE up to 8.36 pcre_compile2 out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in PCRE up to 8.36. Affected is the function pcre_compile2. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2015-2326. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in PCRE up to 8.36 (Programming Tool Software). Affected by this vulnerability is the function pcre_compile2. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

The weakness was published 01/25/2023. It is possible to read the advisory at lists.opensuse.org. This vulnerability is known as CVE-2015-2326 since 03/18/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known.

It is possible to download the exploit at bugs.exim.org. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123825 (Solaris 11.2 Support Repository Update (SRU) 13.6.0 Missing).

Upgrading to version 8.37 eliminates this vulnerability. The upgrade is hosted for download at pcre.org.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PCRE 8.37

Timelineinfo

03/18/2015 🔍
01/25/2023 +2870 days 🔍
01/25/2023 +0 days 🔍
04/28/2025 +824 days 🔍

Sourcesinfo

Advisory: lists.opensuse.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2326 (🔍)
GCVE (CVE): GCVE-0-2015-2326
GCVE (VulDB): GCVE-100-219295
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/25/2023 23:46
Updated: 04/28/2025 02:17
Changes: 01/25/2023 23:46 (61), 11/24/2024 05:27 (17), 04/28/2025 02:17 (3)
Complete: 🔍
Cache ID: 216::103

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