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CVE-2013-0343

3.2 · LOW

The ipv6_create_tempaddr function in net/ipv6/addrconf.c in the Linux kernel through 3.8 does not properly handle problems with the generation of IPv6 temporary addresses, which allows remote attac…

Published Feb 28, 2013linuxEPSS 1.66%

Overview

CVE-2013-0343 is a low-severity vulnerability affecting linux linux_kernel. It was published on February 28, 2013 and has a CVSS 2.0 base score of 3.2 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The ipv6_create_tempaddr function in net/ipv6/addrconf.c in the Linux kernel through 3.8 does not properly handle problems with the generation of IPv6 temporary addresses, which allows remote attackers to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information, via ICMPv6 Router Advertisement (RA) messages.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2014-02/msg00002.htmlRefopenwall.com/lists/oss-security/2012/12/05/4Refopenwall.com/lists/oss-security/2013/01/16/7Refopenwall.com/lists/oss-security/2013/01/21/11Refrhn.redhat.com/errata/RHSA-2013-1449.htmlRefrhn.redhat.com/errata/RHSA-2013-1490.htmlRefrhn.redhat.com/errata/RHSA-2013-1645.htmlRefwww.openwall.com/lists/oss-security/2013/02/22/6Refwww.ubuntu.com/usn/USN-1976-1Refwww.ubuntu.com/usn/USN-1977-1

How CyberStrike helps

Frequently asked questions

What is CVE-2013-0343?

CVE-2013-0343 is a low-severity vulnerability affecting linux linux_kernel. It was published on February 28, 2013 and has a CVSS 2.0 base score of 3.2 (LOW).

How severe is CVE-2013-0343?

This vulnerability has a CVSS 2.0 base score of 3.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-0343?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-0343?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-0343 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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