CVE-2008-5077

Description

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.

Category

5.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.07% Top 25%
Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory sun.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory apple.com Vendor Advisory slackware.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://marc.info/?l=bugtraq&m=123859864430555&w=2 vendor advisory
http://www.vmware.com/security/advisories/VMSA-2009-0004.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html vendor advisory
http://support.apple.com/kb/HT3549
http://www.securityfocus.com/archive/1/499827/100/0/threaded mailing list
http://sunsolve.sun.com/search/document.do?assetkey=1-66-250826-1 vendor advisory
http://www.openssl.org/news/secadv_20090107.txt
http://www.vupen.com/english/advisories/2009/0558 vdb entry vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html vendor advisory
http://www.securitytracker.com/id?1021523 vdb entry
http://www.vupen.com/english/advisories/2009/0362 vdb entry vendor advisory
http://security.gentoo.org/glsa/glsa-200902-02.xml vendor advisory
http://marc.info/?l=bugtraq&m=124277349419254&w=2 vendor advisory
http://www.vupen.com/english/advisories/2009/0289 vdb entry vendor advisory
http://secunia.com/advisories/35074 third party advisory vendor advisory
http://support.avaya.com/elmodocs2/security/ASA-2009-038.htm
http://secunia.com/advisories/34211 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2009/0040 vdb entry vendor advisory
http://marc.info/?l=bugtraq&m=127678688104458&w=2 vendor advisory
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.544796 vendor advisory
http://www.vupen.com/english/advisories/2009/0904 vdb entry vendor advisory
http://www.vupen.com/english/advisories/2009/0913 vdb entry vendor advisory
http://secunia.com/advisories/33557 third party advisory vendor advisory
http://secunia.com/advisories/33765 third party advisory vendor advisory
http://www.ocert.org/advisories/ocert-2008-016.html
http://secunia.com/advisories/33673 third party advisory vendor advisory
http://www.securityfocus.com/archive/1/502322/100/0/threaded mailing list
http://secunia.com/advisories/33436 third party advisory vendor advisory
http://secunia.com/advisories/35108 third party advisory vendor advisory
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third party advisory us government resource
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=837653
http://www.securityfocus.com/bid/33150 vdb entry
http://www.redhat.com/support/errata/RHSA-2009-0004.html vendor advisory
http://www.vupen.com/english/advisories/2009/1297 vdb entry vendor advisory
https://usn.ubuntu.com/704-1/ vendor advisory
http://secunia.com/advisories/33338 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2009/1338 vdb entry vendor advisory
http://secunia.com/advisories/33394 third party advisory
http://voodoo-circle.sourceforge.net/sa/sa-20090123-01.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6380 vdb entry signature
http://secunia.com/advisories/39005 third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9155 vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2008-5077?
CVE-2008-5077 has been scored as a medium severity vulnerability.
How to fix CVE-2008-5077?
To fix CVE-2008-5077, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-5077 being actively exploited in the wild?
It is possible that CVE-2008-5077 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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