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CVE-2015-5673

6.5 · MEDIUM

eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via a…

Published Nov 4, 2015isuconCWE-78EPSS 2.45%

Overview

CVE-2015-5673 is a medium-severity vulnerability affecting isucon isucon_5_qualifier_eventapp. It was published on November 4, 2015 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command.

Remediation

Check the references section for vendor advisories and patches from isucon. Update isucon_5_qualifier_eventapp 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

Refjvn.jp/en/jp/JVN04281281/index.htmlRefjvndb.jvn.jp/jvndb/JVNDB-2015-000175GitHubgithub.com/isucon/isucon5-qualify/commit/150e3e6d851acb31a0b15ce93380a7dab14203faGitHubgithub.com/isucon/isucon5-qualify/pull/5Refjvn.jp/en/jp/JVN04281281/index.htmlRefjvndb.jvn.jp/jvndb/JVNDB-2015-000175GitHubgithub.com/isucon/isucon5-qualify/commit/150e3e6d851acb31a0b15ce93380a7dab14203faGitHubgithub.com/isucon/isucon5-qualify/pull/5

How CyberStrike helps

Frequently asked questions

What is CVE-2015-5673?

CVE-2015-5673 is a medium-severity vulnerability affecting isucon isucon_5_qualifier_eventapp. It was published on November 4, 2015 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

How severe is CVE-2015-5673?

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-5673?

Check the references section for vendor advisories and patches from isucon. Update isucon_5_qualifier_eventapp 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-2015-5673?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-5673 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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