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Hex authenticity of signed packages not validated

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated May 2, 2024

Package

erlang hex_core (Erlang)

Affected versions

< 0.4.0

Patched versions

0.4.0

Description

Hex package manager hex_core version 0.3.0 and earlier contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.4.0.

References

Published by the National Vulnerability Database Feb 4, 2019
Published to the GitHub Advisory Database May 13, 2022
Reviewed May 2, 2024
Last updated May 2, 2024

Severity

High
8.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2019-1000013

GHSA ID

GHSA-q3cc-rr2c-87r6

Source code

Credits

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