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Off-by-one error in the convert_query_hexchar function in...

Moderate severity Unreviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Dec 22, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.

References

Published by the National Vulnerability Database Mar 20, 2011
Published to the GitHub Advisory Database May 17, 2022
Last updated Dec 22, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(90th percentile)

Weaknesses

Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. Learn more on MITRE.

CVE ID

CVE-2011-1027

GHSA ID

GHSA-vg34-58mc-jr2w

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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