CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
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.
Upgrading to version 8.37 eliminates this vulnerability. The upgrade is hosted for download at pcre.org.
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 CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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
ATT&CK: Unknown
Local: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PCRE 8.37
Timeline
03/18/2015 🔍01/25/2023 🔍
01/25/2023 🔍
01/25/2023 🔍
Sources
Advisory: lists.opensuse.orgStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2015-2326 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/25/2023 23:46Changes: 01/25/2023 23:46 (61)
Complete: 🔍
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