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CVE-2016-5180

CRITICALCVSS 9.8/10EPSS 8.58%

Last modified

CVE-2016-5180 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.. EPSS estimates a 8.58% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
8.58%

94.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
C-AresC-Ares1.0.0
C-AresC-Ares1.1.0
C-AresC-Ares1.2.0
C-AresC-Ares1.2.1
C-AresC-Ares1.3.0
C-AresC-Ares1.3.1
C-AresC-Ares1.3.2
C-AresC-Ares1.4.0
C-AresC-Ares1.5.0
C-AresC-Ares1.5.1
C-AresC-Ares1.5.2
C-AresC-Ares1.5.3
C-AresC-Ares1.6.0
C-AresC-Ares1.7.0
C-AresC-Ares1.7.1
C-AresC-Ares1.7.2
C-AresC-Ares1.7.3
C-AresC-Ares1.7.4
C-AresC-Ares1.7.5
C-AresC-Ares1.8.0
C-AresC-Ares1.9.0
C-AresC-Ares1.9.1
C-AresC-Ares1.10.0
C-Ares ProjectC-Ares1.11.0
DebianDebian Linux8.0
NodejsNode.Js>= 0.10.0, < 0.10.48
NodejsNode.Js>= 0.12.0, < 0.12.17
NodejsNode.Js>= 4.0.0, < 4.6.1
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux16.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5180?
Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.
How severe is CVE-2016-5180?
CVE-2016-5180 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.58% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5180?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5180?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST