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CVE-2018-20103

UnknownEPSS 6.59%

Last modified

CVE-2018-20103 is a vulnerability of currently unknown severity. An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.. EPSS estimates a 6.59% chance of exploitation in the next 30 days.

Description

An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

Metrics

EPSS Probability
6.59%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HaproxyHaproxy<= 1.8.14
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux18.10
RedhatOpenshift Container Platform3.11

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20103?
An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
How severe is CVE-2018-20103?
Severity scoring for CVE-2018-20103 is pending analysis. The EPSS model estimates a 6.59% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20103?
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-2018-20103?

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

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Source: NVD / NIST