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CVE-2011-1920

3.3 · LOW

The make include files in NetBSD before 1.6.2, as used in pmake 1.111 and other products, allow local users to overwrite arbitrary files via a symlink attack on a /tmp/_depend##### temporary file,…

Published May 23, 2011netbsdCWE-59EPSS 0.44%

Overview

CVE-2011-1920 is a low-severity vulnerability affecting netbsd netbsd. It was published on May 23, 2011 and has a CVSS 2.0 base score of 3.3 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The make include files in NetBSD before 1.6.2, as used in pmake 1.111 and other products, allow local users to overwrite arbitrary files via a symlink attack on a /tmp/_depend##### temporary file, related to (1) bsd.lib.mk and (2) bsd.prog.mk.

Remediation

Check the references section for vendor advisories and patches from netbsd. Update netbsd 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

References

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=626673Refcvsweb.netbsd.org/bsdweb.cgi/src/share/mk/bsd.lib.mk.diff?r1=1.239&r2=1.240&f=hRefcvsweb.netbsd.org/bsdweb.cgi/src/share/mk/bsd.prog.mk.diff?r1=1.192&r2=1.193&f=hRefopenwall.com/lists/oss-security/2011/05/16/2Refopenwall.com/lists/oss-security/2011/05/16/8Refwww.securityfocus.com/bid/47878Refbugzilla.redhat.com/show_bug.cgi?id=705090Refbugzilla.redhat.com/show_bug.cgi?id=705100Refexchange.xforce.ibmcloud.com/vulnerabilities/67495Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=626673

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1920?

CVE-2011-1920 is a low-severity vulnerability affecting netbsd netbsd. It was published on May 23, 2011 and has a CVSS 2.0 base score of 3.3 (LOW).

How severe is CVE-2011-1920?

This vulnerability has a CVSS 2.0 base score of 3.3, 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-2011-1920?

Check the references section for vendor advisories and patches from netbsd. Update netbsd 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-2011-1920?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1920 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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