CVE-2008-1672: Null Pointer Dereference
First published: Thu May 29 2008(Updated: )
OpenSSL 0.9.8f and 0.9.8g allows remote attackers to cause a denial of service (crash) via a TLS handshake that omits the Server Key Exchange message and uses "particular cipher suites," which triggers a NULL pointer dereference.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL libcrypto | =0.9.8f | |
| OpenSSL libcrypto | =0.9.8g | |
| Ubuntu Linux | =8.04 | |
| Ubuntu | =8.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://www.openssl.org/news/secadv_20080528.txt
- http://www.securityfocus.com/bid/29405
- http://secunia.com/advisories/30405
- http://www.ubuntu.com/usn/usn-620-1
- http://security.gentoo.org/glsa/glsa-200806-08.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.562004
- http://www.kb.cert.org/vuls/id/520586
- http://secunia.com/advisories/30825
- http://secunia.com/advisories/31228
- http://secunia.com/advisories/31288
- http://sourceforge.net/project/shownotes.php?release_id=615606
- http://secunia.com/advisories/30868
- http://secunia.com/advisories/30460
- https://www.redhat.com/archives/fedora-package-announce/2008-May/msg01029.html
- http://secunia.com/advisories/30852
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738400
- http://www.vupen.com/english/advisories/2008/1937/references
- http://www.securitytracker.com/id?1020122
- http://cert.fi/haavoittuvuudet/2008/advisory-openssl.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:107
- http://www.vupen.com/english/advisories/2008/1680
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42667
- http://www.securityfocus.com/archive/1/492932/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2008-1672?
CVE-2008-1672 is classified as a critical vulnerability due to its potential to cause a remote denial of service.
How do I fix CVE-2008-1672?
To fix CVE-2008-1672, you should upgrade OpenSSL to a version later than 0.9.8g.
Which systems are affected by CVE-2008-1672?
CVE-2008-1672 affects OpenSSL versions 0.9.8f and 0.9.8g, as well as systems using these versions.
What type of attack can exploit CVE-2008-1672?
CVE-2008-1672 can be exploited by attackers through a crafted TLS handshake that omits the Server Key Exchange message.
What is the impact of CVE-2008-1672?
The impact of CVE-2008-1672 is the potential crash of the OpenSSL service, leading to a denial of service.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/references
- agent/remedy
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/weakness
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-historical
- vendor/openssl
- canonical/openssl libcrypto
- version/openssl libcrypto/0.9.8f
- version/openssl libcrypto/0.9.8g
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/8.04
- canonical/ubuntu
- version/ubuntu/8.04