SB2012112304 - NULL pointer dereference in Xen
Published: November 23, 2012 Updated: July 28, 2020
Security Bulletin ID
SB2012112304
CSH Severity
High
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2012-3497)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a NULL client id.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
- http://osvdb.org/85199
- http://secunia.com/advisories/50472
- http://secunia.com/advisories/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
- http://www.openwall.com/lists/oss-security/2012/09/05/8
- http://www.securityfocus.com/bid/55410
- http://www.securitytracker.com/id?1027482
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
- https://security.gentoo.org/glsa/201604-03