Istio up to 1.1.12/1.2.3 Regular Expression URI incorrect regex

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Istio up to 1.1.12/1.2.3. This issue affects some unknown processing of the component Regular Expression. Performing a manipulation as part of URI results in incorrect regex. This vulnerability is identified as CVE-2019-14993. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Istio up to 1.1.12/1.2.3. It has been classified as problematic. This affects an unknown functionality of the component Regular Expression. The manipulation as part of a URI leads to a incorrect regex vulnerability. CWE is classifying the issue as CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. This is going to have an impact on availability. The summary by CVE is:

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

The weakness was released 08/13/2019 (Website). The advisory is shared at istio.io. This vulnerability is uniquely identified as CVE-2019-14993 since 08/13/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.1.13 or 1.2.4 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Istio 1.1.13/1.2.4

Timelineinfo

08/13/2019 🔍
08/13/2019 +0 days 🔍
08/15/2019 +2 days 🔍
11/25/2023 +1563 days 🔍

Sourcesinfo

Advisory: 7728
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-14993 (🔍)
GCVE (CVE): GCVE-0-2019-14993
GCVE (VulDB): GCVE-100-140001

Entryinfo

Created: 08/15/2019 07:24
Updated: 11/25/2023 08:29
Changes: 08/15/2019 07:24 (56), 07/27/2020 17:43 (1), 11/25/2023 08:29 (4)
Complete: 🔍
Cache ID: 216::103

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