Undertow Cookie request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Undertow. This issue affects some unknown processing of the component Cookie Handler. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-4639. There is no available exploit.

Detailsinfo

A vulnerability was found in Undertow (affected version unknown). It has been rated as critical. Affected by this issue is an unknown functionality of the component Cookie Handler. 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. The impact remains unknown. CVE summarizes:

A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

The weakness was presented 02/09/2024. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-4639 since 08/30/2023. There are neither technical details nor an exploit publicly available.

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

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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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

08/30/2023 🔍
02/09/2024 +163 days 🔍
02/09/2024 +0 days 🔍
11/17/2024 +282 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-4639 (🔍)
GCVE (CVE): GCVE-0-2023-4639
GCVE (VulDB): GCVE-100-253268

Entryinfo

Created: 02/09/2024 03:56
Updated: 11/17/2024 12:55
Changes: 02/09/2024 03:56 (33), 11/17/2024 12:55 (28)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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