OWASP ModSecurity Core Rule Set up to 3.1.0 REQUEST-933-APPLICATION-ATTACK-PHP.conf incorrect regex

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OWASP ModSecurity Core Rule Set up to 3.1.0. It has been declared as problematic. Impacted is an unknown function of the file /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf. Executing a manipulation can lead to incorrect regex. This vulnerability is registered as CVE-2019-11389. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in OWASP ModSecurity Core Rule Set up to 3.1.0. This vulnerability affects some unknown processing of the file /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf. The manipulation with an unknown input leads to a incorrect regex vulnerability. The CWE definition for the vulnerability is CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with next# at the beginning and nested repetition operators.

The bug was discovered 04/15/2019. The weakness was published 04/21/2019. This vulnerability was named CVE-2019-11389 since 04/20/2019. 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 was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-133932, VDB-133931, VDB-133929 and VDB-133928. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Incorrect regex
CWE: CWE-185 / CWE-697
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2019 🔍
04/20/2019 +5 days 🔍
04/21/2019 +1 days 🔍
04/23/2019 +2 days 🔍
08/05/2024 +1931 days 🔍

Sourcesinfo

Advisory: 1356
Status: Not defined

CVE: CVE-2019-11389 (🔍)
GCVE (CVE): GCVE-0-2019-11389
GCVE (VulDB): GCVE-100-133930
scip Labs: https://www.scip.ch/en/?labs.20130913
See also: 🔍

Entryinfo

Created: 04/23/2019 08:46
Updated: 08/05/2024 02:02
Changes: 04/23/2019 08:46 (54), 06/01/2020 09:45 (1), 09/06/2023 10:49 (4), 08/05/2024 02:02 (15)
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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