Apache Traffic Server up to 9.1.2 HTTP/2 Header Parser request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apache Traffic Server up to 9.1.2. Impacted is an unknown function of the component HTTP2 Header Parser. This manipulation causes request smuggling. This vulnerability is registered as CVE-2022-31779. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Apache Traffic Server up to 9.1.2. It has been declared as critical. Affected by this vulnerability is an unknown code of the component HTTP2 Header Parser. The manipulation with an unknown input leads to a request smuggling vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper Input Validation vulnerability in HTTP/2 header parsing 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 published 08/10/2022. It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2022-31779 since 05/27/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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-2022-31779 (🔍)
GCVE (CVE): GCVE-0-2022-31779
GCVE (VulDB): GCVE-100-206035

Entryinfo

Created: 08/10/2022 13:18
Updated: 09/04/2022 10:59
Changes: 08/10/2022 13:18 (38), 09/04/2022 10:53 (1), 09/04/2022 10:59 (11)
Complete: 🔍
Cache ID: 216::103

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