SB2013101802 - NULL pointer dereference in Xen

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2013-4369)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration. CWE-476: NULL Pointer Dereference Per http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://security.gentoo.org/glsa/glsa-201407-03.xml
• http://www.openwall.com/lists/oss-security/2013/10/10/11
• https://exchange.xforce.ibmcloud.com/vulnerabilities/87798