CVE-2008-5077

MEDIUM

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.

References

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html

http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html

http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html

http://marc.info/?l=bugtraq&m=123859864430555&w=2

http://marc.info/?l=bugtraq&m=124277349419254&w=2

http://marc.info/?l=bugtraq&m=127678688104458&w=2

http://secunia.com/advisories/33338

http://secunia.com/advisories/33394

http://secunia.com/advisories/33436

http://secunia.com/advisories/33557

http://secunia.com/advisories/33673

http://secunia.com/advisories/33765

http://secunia.com/advisories/34211

http://secunia.com/advisories/35074

http://secunia.com/advisories/35108

http://secunia.com/advisories/39005

http://security.gentoo.org/glsa/glsa-200902-02.xml

http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.544796

http://sunsolve.sun.com/search/document.do?assetkey=1-66-250826-1

http://support.apple.com/kb/HT3549

http://support.avaya.com/elmodocs2/security/ASA-2009-038.htm

http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=837653

http://voodoo-circle.sourceforge.net/sa/sa-20090123-01.html

http://www.ocert.org/advisories/ocert-2008-016.html

http://www.openssl.org/news/secadv_20090107.txt

http://www.redhat.com/support/errata/RHSA-2009-0004.html

http://www.securityfocus.com/archive/1/499827/100/0/threaded

http://www.securityfocus.com/archive/1/502322/100/0/threaded

http://www.securityfocus.com/bid/33150

http://www.securitytracker.com/id?1021523

http://www.us-cert.gov/cas/techalerts/TA09-133A.html

http://www.vmware.com/security/advisories/VMSA-2009-0004.html

http://www.vupen.com/english/advisories/2009/0040

http://www.vupen.com/english/advisories/2009/0289

http://www.vupen.com/english/advisories/2009/0362

http://www.vupen.com/english/advisories/2009/0558

http://www.vupen.com/english/advisories/2009/0904

http://www.vupen.com/english/advisories/2009/0913

http://www.vupen.com/english/advisories/2009/1297

http://www.vupen.com/english/advisories/2009/1338

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6380

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9155

https://usn.ubuntu.com/704-1/

Details

Source: MITRE

Published: 2009-01-07

Updated: 2018-10-11

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM