VDB-206036 · CVE-2022-31780 · GCVE-0-2022-31780

Apache Traffic Server up to 9.1.2 HTTP/2 Frame request smuggling

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.
6.9	$5k-$25k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache Traffic Server up to 9.1.2. The affected element is an unknown function of the component HTTP2 Frame Handler. Such manipulation leads to request smuggling. This vulnerability is documented as CVE-2022-31780. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Apache Traffic Server up to 9.1.2. It has been rated as critical. Affected by this issue is an unknown code block of the component HTTP2 Frame Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper Input Validation vulnerability in HTTP/2 frame handling of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

The weakness was released 08/10/2022. The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2022-31780 since 05/27/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/04/2022).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Apache

Name

Traffic Server

Version

License

open-source

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/27/2022 🔍
08/10/2022 +75 days 🔍
08/10/2022 +0 days 🔍
09/04/2022 +25 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: FEDORA-2022-23043f5a0b
Status: Confirmed

CVE: CVE-2022-31780 (🔍)
GCVE (CVE): GCVE-0-2022-31780
GCVE (VulDB): GCVE-100-206036

Entryinfo

Created: 08/10/2022 13:18
Updated: 09/04/2022 11:12
Changes: 08/10/2022 13:18 (38), 09/04/2022 11:05 (1), 09/04/2022 11:12 (11)
Complete: 🔍
Cache ID: 216::103