GHSA-q3cc-rr2c-87r6

Hex authenticity of signed packages not validated

Source: GitHub Advisory Database (reviewed) High CVE-2019-1000013

Packages

Ecosystem	Package	Affected	Fixed in
Hex	hex_core	< 0.4.0	0.4.0

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2019-1000013 advisory
https://github.com/hexpm/hex_core/pull/48 web
https://github.com/hexpm/hex_core/pull/51 web
https://github.com/hexpm/hex_core package