PCRE up to 8.36 Regular Expression compile_branch out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in PCRE up to 8.36. Impacted is the function compile_branch of the component Regular Expression Handler. Executing a manipulation can lead to out-of-bounds.
This vulnerability is tracked as CVE-2015-2325. The attack is restricted to local execution. Moreover, an exploit is present.
Upgrading the affected component is advised.
Details
A vulnerability was found in PCRE up to 8.36 (Programming Tool Software). It has been declared as problematic. This vulnerability affects the function compile_branch of the component Regular Expression Handler. 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. CVE summarizes:
The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code, cause a denial of service (out-of-bounds heap read and crash), or possibly have other unspecified impact via a regular expression with a group containing a forward reference repeated a large number of times within a repeated outer group that has a zero minimum quantifier.
The weakness was disclosed 04/22/2023. The advisory is available at lists.opensuse.org. This vulnerability was named CVE-2015-2325 since 03/18/2015. The attack can be initiated remotely. The successful exploitation requires a single authentication. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.
It is possible to download the exploit at lists.opensuse.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 84364 (PHP 5.6.x < 5.6.10 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. 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.
The vulnerability is also documented in the databases at Tenable (84364) and SecurityFocus (BID 74228†). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
- 8.0
- 8.1
- 8.2
- 8.3
- 8.4
- 8.5
- 8.6
- 8.7
- 8.8
- 8.9
- 8.10
- 8.11
- 8.12
- 8.13
- 8.14
- 8.15
- 8.16
- 8.17
- 8.18
- 8.19
- 8.20
- 8.21
- 8.22
- 8.23
- 8.24
- 8.25
- 8.26
- 8.27
- 8.28
- 8.29
- 8.30
- 8.31
- 8.32
- 8.33
- 8.34
- 8.35
- 8.36
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 4.8
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 84364
Nessus Name: PHP 5.6.x < 5.6.10 Multiple Vulnerabilities
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PCRE 8.37
Timeline
03/18/2015 🔍06/24/2015 🔍
04/22/2023 🔍
04/22/2023 🔍
04/27/2025 🔍
Sources
Advisory: lists.opensuse.orgStatus: Confirmed
CVE: CVE-2015-2325 (🔍)
GCVE (CVE): GCVE-0-2015-2325
GCVE (VulDB): GCVE-100-227122
SecurityFocus: 74228
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/22/2023 08:36Updated: 04/27/2025 04:33
Changes: 04/22/2023 08:36 (61), 06/07/2024 00:06 (19), 11/24/2024 05:27 (3), 04/27/2025 04:33 (3)
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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