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CVE-2016-10739

5.3 · MEDIUM

In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, wh…

Published Jan 21, 2019CWE-20EPSS 0.48%

Overview

CVE-2016-10739 is a medium-severity vulnerability. It was published on January 21, 2019 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the possibility of embedded HTTP headers or other potentially dangerous substrings.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reflists.opensuse.org/opensuse-security-announce/2019-04/msg00082.htmlRefwww.securityfocus.com/bid/106672Refaccess.redhat.com/errata/RHSA-2019:2118Refaccess.redhat.com/errata/RHSA-2019:3513Refbugzilla.redhat.com/show_bug.cgi?id=1347549Refsourceware.org/bugzilla/show_bug.cgi?id=20018Reflists.opensuse.org/opensuse-security-announce/2019-04/msg00082.htmlRefwww.securityfocus.com/bid/106672Refaccess.redhat.com/errata/RHSA-2019:2118Refaccess.redhat.com/errata/RHSA-2019:3513

How CyberStrike helps

Frequently asked questions

What is CVE-2016-10739?

CVE-2016-10739 is a medium-severity vulnerability. It was published on January 21, 2019 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

How severe is CVE-2016-10739?

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-10739?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-10739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-10739 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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