medium
5.8
CWE
20
Advisory Published
CVE Published
CVE Published
Updated

CVE-2008-5077: Input Validation

First published: Tue Dec 16 2008(Updated: )

OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/openssl<0:0.9.7a-43.17.el4_7.2
0:0.9.7a-43.17.el4_7.2
redhat/openssl096b<0:0.9.6b-22.46.el4_7
0:0.9.6b-22.46.el4_7
redhat/openssl<0:0.9.8b-10.el5_2.1
0:0.9.8b-10.el5_2.1
redhat/openssl097a<0:0.9.7a-9.el5_2.1
0:0.9.7a-9.el5_2.1
OpenSSL libcrypto<=0.9.8h
OpenSSL libcrypto=0.9.1c
OpenSSL libcrypto=0.9.2b
OpenSSL libcrypto=0.9.3
OpenSSL libcrypto=0.9.3a
OpenSSL libcrypto=0.9.4
OpenSSL libcrypto=0.9.5
OpenSSL libcrypto=0.9.5-beta1
OpenSSL libcrypto=0.9.5-beta2
OpenSSL libcrypto=0.9.5a
OpenSSL libcrypto=0.9.5a-beta1
OpenSSL libcrypto=0.9.5a-beta2
OpenSSL libcrypto=0.9.6
OpenSSL libcrypto=0.9.6-beta1
OpenSSL libcrypto=0.9.6-beta2
OpenSSL libcrypto=0.9.6-beta3
OpenSSL libcrypto=0.9.6a
OpenSSL libcrypto=0.9.6a-beta1
OpenSSL libcrypto=0.9.6a-beta2
OpenSSL libcrypto=0.9.6a-beta3
OpenSSL libcrypto=0.9.6b
OpenSSL libcrypto=0.9.6c
OpenSSL libcrypto=0.9.6d
OpenSSL libcrypto=0.9.6e
OpenSSL libcrypto=0.9.6f
OpenSSL libcrypto=0.9.6g
OpenSSL libcrypto=0.9.6h
OpenSSL libcrypto=0.9.6i
OpenSSL libcrypto=0.9.6j
OpenSSL libcrypto=0.9.6k
OpenSSL libcrypto=0.9.6l
OpenSSL libcrypto=0.9.6m
OpenSSL libcrypto=0.9.7
OpenSSL libcrypto=0.9.7-beta1
OpenSSL libcrypto=0.9.7-beta2
OpenSSL libcrypto=0.9.7-beta3
OpenSSL libcrypto=0.9.7-beta4
OpenSSL libcrypto=0.9.7-beta5
OpenSSL libcrypto=0.9.7-beta6
OpenSSL libcrypto=0.9.7a
OpenSSL libcrypto=0.9.7b
OpenSSL libcrypto=0.9.7c
OpenSSL libcrypto=0.9.7d
OpenSSL libcrypto=0.9.7e
OpenSSL libcrypto=0.9.7f
OpenSSL libcrypto=0.9.7g
OpenSSL libcrypto=0.9.7h
OpenSSL libcrypto=0.9.7i
OpenSSL libcrypto=0.9.7j
OpenSSL libcrypto=0.9.7k
OpenSSL libcrypto=0.9.7l
OpenSSL libcrypto=0.9.8
OpenSSL libcrypto=0.9.8a
OpenSSL libcrypto=0.9.8b
OpenSSL libcrypto=0.9.8c
OpenSSL libcrypto=0.9.8d
OpenSSL libcrypto=0.9.8e
OpenSSL libcrypto=0.9.8f
OpenSSL libcrypto=0.9.8g

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2008-5077?

    CVE-2008-5077 is classified as a high severity vulnerability that can allow attackers to bypass certificate chain validation.

  • How do I fix CVE-2008-5077?

    To fix CVE-2008-5077, you should upgrade to an OpenSSL version that is higher than 0.9.8h.

  • Which versions of OpenSSL are affected by CVE-2008-5077?

    CVE-2008-5077 affects OpenSSL versions 0.9.8i and earlier, including versions 0.9.6 and 0.9.7.

  • What types of keys are impacted by CVE-2008-5077?

    CVE-2008-5077 impacts SSL/TLS signatures for DSA and ECDSA keys.

  • Can CVE-2008-5077 be exploited remotely?

    Yes, CVE-2008-5077 can be exploited remotely, allowing attackers to bypass validation without needing local access.

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