Vulnerability Monitor

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CVE-2009-3875

The MessageDigest.isEqual function in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to spoof HMAC-based digital signatures, and possibly bypass authentication, via unspecified vectors related to "timing attack vulnerabilities," aka Bug Id 6863503.

Security Impact Summary

CVE-2009-3875 is a security vulnerability that . Impacting 6 products from sun, from sun, from sun and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-11-05T16:30:00.517

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-310

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.5.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jdk	1.6.0	Yes
Application	sun	jre	1.4.2_1	Yes
Application	sun	jre	1.4.2_2	Yes
Application	sun	jre	1.4.2_02	Yes
Application	sun	jre	1.4.2_03	Yes
Application	sun	jre	1.4.2_3	Yes
Application	sun	jre	1.4.2_4	Yes
Application	sun	jre	1.4.2_04	Yes
Application	sun	jre	1.4.2_05	Yes
Application	sun	jre	1.4.2_5	Yes
Application	sun	jre	1.4.2_06	Yes
Application	sun	jre	1.4.2_6	Yes
Application	sun	jre	1.4.2_7	Yes
Application	sun	jre	1.4.2_07	Yes
Application	sun	jre	1.4.2_8	Yes
Application	sun	jre	1.4.2_08	Yes
Application	sun	jre	1.4.2_09	Yes
Application	sun	jre	1.4.2_9	Yes
Application	sun	jre	1.4.2_10	Yes
Application	sun	jre	1.4.2_11	Yes
Application	sun	jre	1.4.2_12	Yes
Application	sun	jre	1.4.2_13	Yes
Application	sun	jre	1.4.2_14	Yes
Application	sun	jre	1.4.2_15	Yes
Application	sun	jre	1.4.2_16	Yes
Application	sun	jre	1.4.2_17	Yes
Application	sun	jre	1.4.2_18	Yes
Application	sun	jre	1.4.2_19	Yes
Application	sun	jre	1.4.2_20	Yes
Application	sun	jre	1.4.2_21	Yes
Application	sun	jre	1.4.2_22	Yes
Application	sun	jre	1.4.2_23	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.5.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	jre	1.6.0	Yes
Application	sun	sdk	1.4.2_01	Yes
Application	sun	sdk	1.4.2_1	Yes
Application	sun	sdk	1.4.2_2	Yes
Application	sun	sdk	1.4.2_02	Yes
Application	sun	sdk	1.4.2_03	Yes
Application	sun	sdk	1.4.2_3	Yes
Application	sun	sdk	1.4.2_04	Yes
Application	sun	sdk	1.4.2_4	Yes
Application	sun	sdk	1.4.2_5	Yes
Application	sun	sdk	1.4.2_05	Yes
Application	sun	sdk	1.4.2_6	Yes
Application	sun	sdk	1.4.2_06	Yes
Application	sun	sdk	1.4.2_07	Yes
Application	sun	sdk	1.4.2_7	Yes
Application	sun	sdk	1.4.2_8	Yes
Application	sun	sdk	1.4.2_08	Yes
Application	sun	sdk	1.4.2_09	Yes
Application	sun	sdk	1.4.2_9	Yes
Application	sun	sdk	1.4.2_10	Yes
Application	sun	sdk	1.4.2_11	Yes
Application	sun	sdk	1.4.2_12	Yes
Application	sun	sdk	1.4.2_13	Yes
Application	sun	sdk	1.4.2_14	Yes
Application	sun	sdk	1.4.2_15	Yes
Application	sun	sdk	1.4.2_16	Yes
Application	sun	sdk	1.4.2_17	Yes
Application	sun	sdk	1.4.2_18	Yes
Application	sun	sdk	1.4.2_19	Yes
Application	sun	sdk	1.4.2_20	Yes
Application	sun	sdk	1.4.2_21	Yes
Application	sun	sdk	1.4.2_22	Yes
Application	sun	sdk	1.4.2_23	Yes
Operating System	linux	linux_kernel	*	No
Operating System	microsoft	windows	*	No
Operating System	sun	solaris	*	No
Application	sun	jre	1.3.1_1	Yes
Application	sun	jre	1.3.1_01	Yes
Application	sun	jre	1.3.1_01a	Yes
Application	sun	jre	1.3.1_02	Yes
Application	sun	jre	1.3.1_2	Yes
Application	sun	jre	1.3.1_03	Yes
Application	sun	jre	1.3.1_3	Yes
Application	sun	jre	1.3.1_4	Yes
Application	sun	jre	1.3.1_04	Yes
Application	sun	jre	1.3.1_05	Yes
Application	sun	jre	1.3.1_5	Yes
Application	sun	jre	1.3.1_06	Yes
Application	sun	jre	1.3.1_6	Yes
Application	sun	jre	1.3.1_07	Yes
Application	sun	jre	1.3.1_7	Yes
Application	sun	jre	1.3.1_8	Yes
Application	sun	jre	1.3.1_08	Yes
Application	sun	jre	1.3.1_9	Yes
Application	sun	jre	1.3.1_09	Yes
Application	sun	jre	1.3.1_10	Yes
Application	sun	jre	1.3.1_11	Yes
Application	sun	jre	1.3.1_12	Yes
Application	sun	jre	1.3.1_13	Yes
Application	sun	jre	1.3.1_14	Yes
Application	sun	jre	1.3.1_15	Yes
Application	sun	jre	1.3.1_16	Yes
Application	sun	jre	1.3.1_17	Yes
Application	sun	jre	1.3.1_18	Yes
Application	sun	jre	1.3.1_19	Yes
Application	sun	jre	1.3.1_20	Yes
Application	sun	jre	1.3.1_21	Yes
Application	sun	jre	1.3.1_22	Yes
Application	sun	jre	1.3.1_23	Yes
Application	sun	jre	1.3.1_24	Yes
Application	sun	jre	1.3.1_25	Yes
Application	sun	sdk	1.3.1_01	Yes
Application	sun	sdk	1.3.1_01a	Yes
Application	sun	sdk	1.3.1_2	Yes
Application	sun	sdk	1.3.1_02	Yes
Application	sun	sdk	1.3.1_03	Yes
Application	sun	sdk	1.3.1_3	Yes
Application	sun	sdk	1.3.1_4	Yes
Application	sun	sdk	1.3.1_04	Yes
Application	sun	sdk	1.3.1_5	Yes
Application	sun	sdk	1.3.1_05	Yes
Application	sun	sdk	1.3.1_6	Yes
Application	sun	sdk	1.3.1_06	Yes
Application	sun	sdk	1.3.1_7	Yes
Application	sun	sdk	1.3.1_07	Yes
Application	sun	sdk	1.3.1_8	Yes
Application	sun	sdk	1.3.1_08	Yes
Application	sun	sdk	1.3.1_9	Yes
Application	sun	sdk	1.3.1_09	Yes
Application	sun	sdk	1.3.1_10	Yes
Application	sun	sdk	1.3.1_11	Yes
Application	sun	sdk	1.3.1_12	Yes
Application	sun	sdk	1.3.1_13	Yes
Application	sun	sdk	1.3.1_14	Yes
Application	sun	sdk	1.3.1_15	Yes
Application	sun	sdk	1.3.1_16	Yes
Application	sun	sdk	1.3.1_17	Yes
Application	sun	sdk	1.3.1_18	Yes
Application	sun	sdk	1.3.1_19	Yes
Application	sun	sdk	1.3.1_20	Yes
Application	sun	sdk	1.3.1_21	Yes
Application	sun	sdk	1.3.1_22	Yes
Application	sun	sdk	1.3.1_23	Yes
Application	sun	sdk	1.3.1_24	Yes
Application	sun	sdk	1.3.1_25	Yes
Operating System	microsoft	windows	*	No

References

http://java.sun.com/javase/6/webnotes/6u17.html ([email protected])
http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html ([email protected])
http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html ([email protected])
http://marc.info/?l=bugtraq&m=126566824131534&w=2 ([email protected])
http://marc.info/?l=bugtraq&m=131593453929393&w=2 ([email protected])
http://marc.info/?l=bugtraq&m=134254866602253&w=2 ([email protected])
http://secunia.com/advisories/37231 Vendor Advisory ([email protected])
http://secunia.com/advisories/37239 ([email protected])
http://secunia.com/advisories/37386 ([email protected])
http://secunia.com/advisories/37581 ([email protected])
http://secunia.com/advisories/37841 ([email protected])
http://security.gentoo.org/glsa/glsa-200911-02.xml ([email protected])
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270475-1 Patch, Vendor Advisory ([email protected])
http://support.apple.com/kb/HT3969 ([email protected])
http://support.apple.com/kb/HT3970 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2010:084 ([email protected])
http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html ([email protected])
http://www.redhat.com/support/errata/RHSA-2009-1694.html ([email protected])
http://www.securityfocus.com/bid/36881 ([email protected])
http://www.vupen.com/english/advisories/2009/3131 Vendor Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11847 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12112 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7549 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7913 ([email protected])
http://java.sun.com/javase/6/webnotes/6u17.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=126566824131534&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=131593453929393&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=134254866602253&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37231 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37239 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37386 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37581 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37841 (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-200911-02.xml (af854a3a-2127-422b-91ae-364da2661108)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270475-1 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT3969 (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT3970 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:084 (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/cpujan2010-084891.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2009-1694.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/36881 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/3131 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11847 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12112 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7549 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7913 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For sun's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.