GitHub Advisoryadvisory · Go
GHSA-prjq-f4q3-fvfr github.com/russellhaering/gosaml2 is vulnerable to NULL Pointer Dereference
HIGH
Official page ↗
- Aliases
- CVE-2020-7731
- Ecosystem
- Go
- Packages
- github.com/russellhaering/gosaml2, github.com/russellhaering/goxmldsig
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
- Reviewed
- 2022-11-15
Affected packages
• Go github.com/russellhaering/gosaml2: < 0.7.0 → fixed in 0.7.0
• Go github.com/russellhaering/goxmldsig: < 1.1.1 → fixed in 1.1.1
Description
Impact
In versions prior to v0.7.0 it was possible for an attacker to supply an invalid assertion which would trigger a panic due to a nil-pointer dereference.
Patches
The issue was patched in v0.7.0, released on March 2, 2022.
Workarounds
Callers to `gosaml2` can use `recover()` to handle panics to mitigate a potential DoS.
References
See issue #59 for details.
Related
Alias · CVE (1)
- CVE-2020-7731 This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. vulnerability
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/russellhaering/gosaml2/security/advisories/GHSA-prjq-f4q3-fvfr web
- https://github.com/russellhaering/gosaml2/issues/59 web
- https://github.com/russellhaering/goxmldsig/issues/48 web
- https://github.com/russellhaering/gosaml2/pull/90 web
- https://github.com/russellhaering/gosaml2/commit/66e3b7affd622b8b24ea1e18845f045e46b23424 web
- https://github.com/russellhaering/gosaml2 package
- https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0 web
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302 web