VDB-209071 · CVE-2022-38333 · GCVE-0-2022-38333

Openwrt up to 21.02.2/22.03.0-rc5 HTTP Request header_value information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Openwrt up to 21.02.2/22.03.0-rc5. Impacted is the function header_value of the component HTTP Request Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2022-38333. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Openwrt up to 21.02.2/22.03.0-rc5. Affected by this vulnerability is the function header_value of the component HTTP Request Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Openwrt before v21.02.3 and Openwrt v22.03.0-rc6 were discovered to contain two skip loops in the function header_value(). This vulnerability allows attackers to access sensitive information via a crafted HTTP request.

The weakness was released 09/19/2022. It is possible to read the advisory at git.openwrt.org. This vulnerability is known as CVE-2022-38333 since 08/15/2022. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 21.02.3 or 22.03.0-rc6 eliminates this vulnerability. Applying the patch 901b0f0463c9d16a8cf5b9ed37118d8484bc9176 is able to eliminate this problem. The bugfix is ready for download at git.openwrt.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Openwrt

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Openwrt 21.02.3/22.03.0-rc6
Patch: 901b0f0463c9d16a8cf5b9ed37118d8484bc9176

Timelineinfo

08/15/2022 🔍
09/19/2022 +35 days 🔍
09/19/2022 +0 days 🔍
10/20/2022 +31 days 🔍

Sourcesinfo

Advisory: git.openwrt.org
Status: Confirmed

CVE: CVE-2022-38333 (🔍)
GCVE (CVE): GCVE-0-2022-38333
GCVE (VulDB): GCVE-100-209071

Entryinfo

Created: 09/19/2022 21:07
Updated: 10/20/2022 17:46
Changes: 09/19/2022 21:07 (42), 10/20/2022 17:46 (11)
Complete: 🔍
Cache ID: 216::103