CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in PCRE up to 8.37 (Programming Tool Software) and classified as problematic. This issue affects an unknown code block. The manipulation with the input value /(?:|a|){100}x/
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. The summary by CVE is:
PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
The weakness was published 12/02/2015 (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2015-8389 since 11/30/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 88694 (PHP 5.6.x < 5.6.18 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196440 (Ubuntu Security Notification for pcre3 vulnerabilities (USN-2943-1)).
Upgrading to version 8.38 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (88694). Similar entries are available at 75660, 79370, 79371 and 79376.
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
- 8.37
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: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 88694
Nessus Name: PHP 5.6.x < 5.6.18 Multiple Vulnerabilities
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Upgrade: PCRE 8.38
Timeline
11/30/2015 🔍11/30/2015 🔍
12/01/2015 🔍
12/02/2015 🔍
12/03/2015 🔍
01/11/2016 🔍
02/03/2016 🔍
02/08/2016 🔍
02/10/2016 🔍
06/28/2022 🔍
Sources
Advisory: FEDORA-2015-eb896290d3Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-8389 (🔍)
Vulnerability Center: 56438 - PCRE before 8.38 Remote DoS and Other Unspecified Impact via Crafted Regex Handling, High
SecurityFocus: 82990 - PCRE Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 12/03/2015 09:44Updated: 06/28/2022 11:26
Changes: 12/03/2015 09:44 (64), 08/21/2018 08:51 (13), 06/28/2022 11:26 (3)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.