CVE-2009-0789

Description

OpenSSL before 0.9.8k on WIN64 and certain other platforms does not properly handle a malformed ASN.1 structure, which allows remote attackers to cause a denial of service (invalid memory access and application crash) by placing this structure in the public key of a certificate, as demonstrated by an RSA public key.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.73% Top 15%
Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory apple.com Vendor Advisory netbsd.org Vendor Advisory opensuse.org 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 openssl.org 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=124464882609472&w=2 vendor advisory
http://www.vupen.com/english/advisories/2009/0850 vdb entry vendor advisory
http://www.vupen.com/english/advisories/2009/1175 vdb entry vendor advisory
http://secunia.com/advisories/42724 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html vendor advisory
http://www.osvdb.org/52866 vdb entry
http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html vendor advisory
http://secunia.com/advisories/34666 third party advisory
http://www.vupen.com/english/advisories/2009/1020 vdb entry vendor advisory
http://secunia.com/advisories/35729 third party advisory vendor advisory
http://secunia.com/advisories/35380 third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=127678688104458&w=2 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49433 vdb entry
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html vendor advisory
http://secunia.com/advisories/35065 third party advisory
http://www.php.net/archive/2009.php#id2009-04-08-1
http://secunia.com/advisories/34411 third party advisory vendor advisory
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-008.txt.asc vendor advisory
http://securitytracker.com/id?1021906 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html vendor advisory
http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html
http://support.apple.com/kb/HT3865
http://www.openssl.org/news/secadv_20090325.txt vendor advisory
http://www.vupen.com/english/advisories/2009/1548 vdb entry vendor advisory
http://secunia.com/advisories/36701 third party advisory vendor advisory
https://kb.bluecoat.com/index?page=content&id=SA50
http://secunia.com/advisories/34460 third party advisory vendor advisory
http://www.securityfocus.com/bid/34256 patch vdb entry
http://secunia.com/advisories/42733 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-0789?
CVE-2009-0789 has been scored as a medium severity vulnerability.
How to fix CVE-2009-0789?
To fix CVE-2009-0789, 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-2009-0789 being actively exploited in the wild?
It is possible that CVE-2009-0789 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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