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CVE-2011-1173

5.0 · MEDIUM

The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack…

Published Jun 22, 2011linuxCWE-200EPSS 2.61%

Overview

CVE-2011-1173 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 22, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack memory by reading uninitialized data in the ah field of an Acorn Universal Networking (AUN) packet.

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_kernel>= 0, < 2.6.39Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=67c5c6cb8129c595f21e88254a3fc6b3b841ae8eRefmarc.info/?l=linux-netdev&m=130036203528021&w=2Refsecurityreason.com/securityalert/8279Refwww.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Refwww.openwall.com/lists/oss-security/2011/03/18/15Refwww.openwall.com/lists/oss-security/2011/03/21/1Refwww.openwall.com/lists/oss-security/2011/03/21/4Refbugzilla.redhat.com/show_bug.cgi?id=591815#c14Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=67c5c6cb8129c595f21e88254a3fc6b3b841ae8eRefmarc.info/?l=linux-netdev&m=130036203528021&w=2

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1173?

CVE-2011-1173 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 22, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-1173?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1173?

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-2011-1173?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1173 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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