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CVE-2011-2900

7.5 · HIGH

Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir functi…

Published Aug 5, 2011shttpdCWE-119EPSS 13.26%

Overview

CVE-2011-2900 is a high-severity vulnerability affecting shttpd shttpd. It was published on August 5, 2011 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.

Remediation

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

Reflists.fedoraproject.org/pipermail/package-announce/2011-September/065273.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-September/065505.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-September/065537.htmlRefsecunia.com/advisories/45464Refsecunia.com/advisories/45902Refsecurityreason.com/securityalert/8337Refwww.openwall.com/lists/oss-security/2011/08/03/5Refwww.openwall.com/lists/oss-security/2011/08/03/9Refwww.securityfocus.com/bid/48980Refcode.google.com/p/mongoose/source/detail?r=556f4de91eae4bac40dc5d4ddbd9ec7c424711d0

How CyberStrike helps

Frequently asked questions

What is CVE-2011-2900?

CVE-2011-2900 is a high-severity vulnerability affecting shttpd shttpd. It was published on August 5, 2011 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2011-2900?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-2900?

Check the references section for vendor advisories and patches from shttpd. Update shttpd 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-2011-2900?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2900 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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