Vulnerability in Isc Bind
CVE-2022-38177
By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Isc Bind — versions 9.9.3, 9.9.12, 9.9.13
- Isc Bind9 — versions Open Source Branches 9.8 through 9.16 9.8.4 through versions before 9.16.33, Supported Preview Branches 9.9-S through 9.11-S 9.9.4-S1 through versions up to and including 9.11.37-S1, Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1
- Netapp Active_iq_unified_manager
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (Patch, Third Party Advisory)
- security-officer@isc.org (mailing-list, Patch, Mailing List, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory)
- security-officer@isc.org (vendor-advisory)
- security-officer@isc.org (vendor-advisory)
- security-officer@isc.org (vendor-advisory)
- security-officer@isc.org (mailing-list, Mailing List, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory)
- security-officer@isc.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-38177?
- CVE-2022-38177 is a high-severity vulnerability in Isc Bind, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-09-21.
- How severe is CVE-2022-38177?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-38177 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.