NULL pointer dereference in Gosaml2 Project
CVE-2020-7731
This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. There is a crash on nil-pointer dereference caused by sending malformed XML signatures.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Gosaml2 Project
- Github.com/russellhaering/gosaml2 — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302 (Third Party Advisory)
- github.com/russellhaering/gosaml2/issues/59 (Patch, Third Party Advisory)
- github.com/russellhaering/gosaml2/releases/tag/v0.7.0
Frequently asked questions
- What is CVE-2020-7731?
- CVE-2020-7731 is a high-severity vulnerability in Gosaml2 Project, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-04-30.
- How severe is CVE-2020-7731?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-7731 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.