Buffer overflow in NetApp Active Iq Unified Manager
CVE-2021-20305
A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% 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
- NetApp Active Iq Unified Manager
- NetApp Ontap Select Deploy Administration Utility
- Nettle Project
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33
- Red Hat Enterprise Linux — versions 7.0, 8.0
- Nettle — versions nettle 3.7.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202105-31 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2021/dsa-4933 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/09/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20211022-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20305?
- CVE-2021-20305 is a high-severity vulnerability in NetApp Active Iq Unified Manager, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.1/10. Published 2021-04-05.
- How severe is CVE-2021-20305?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-20305 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.