SARA / Free Tools / CVE / CVE-2023-4639

CVE-2023-4639 — A flaw was found in Undertow, which incorrectly parses cookies with certain valu

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 t

CVSS
7.4 HIGH
EPSS
5.56% (top 9.80%)
CWE
CWE-444
Published
2024-11-17T10:21:44.539Z
Last modified
2025-02-07T17:02:40.205Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
Red HatMigration Toolkit for Runtimes 1 on RHEL 81.2-23
Red HatMigration Toolkit for Runtimes 1 on RHEL 81.2-15
Red HatMigration Toolkit for Runtimes 1 on RHEL 81.2-16
Red HatMigration Toolkit for Runtimes 1 on RHEL 81.2-14
Red HatRed Hat JBoss Enterprise Application Platform 7unspecified
Red HatRed Hat JBoss Enterprise Application Platform 7.4 for RHEL 80:2.2.30-1.SP1_redhat_00001.1.el8eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 for RHEL 90:2.2.30-1.SP1_redhat_00001.1.el9eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 on RHEL 70:2.2.30-1.SP1_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 8unspecified
Red HatRed Hat JBoss Enterprise Application Platform 8.0 for RHEL 80:2.3.11-1.SP1_redhat_00001.1.el8eap
Red HatRed Hat JBoss Enterprise Application Platform 8.0 for RHEL 90:2.3.11-1.SP1_redhat_00001.1.el9eap
Red HatMigration Toolkit for Applications 6unspecified
Red HatRed Hat build of Apache Camel for Spring Boot 3unspecified
Red HatRed Hat build of Apicurio Registryunspecified
Red HatRed Hat build of Quarkusunspecified
Red HatRed Hat Data Grid 8unspecified
Red HatRed Hat Decision Manager 7unspecified
Red HatRed Hat Fuse 7unspecified
Red HatRed Hat Integration Camel Kunspecified
Red HatRed Hat Integration Camel Quarkusunspecified
Red HatRed Hat Integration Change Data Captureunspecified
Red HatRed Hat JBoss Data Grid 7unspecified
Red HatRed Hat JBoss Enterprise Application Platform 6unspecified
Red HatRed Hat JBoss Fuse 6unspecified
Red HatRed Hat JBoss Fuse Service Works 6unspecified
Red HatRed Hat Process Automation 7unspecified
Red HatRed Hat Single SignOn 7 — unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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