Resource exhaustion in Openssl
CVE-2023-2650
Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJ_obj2txt() directly, or use any of the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS…
EPSS: 0.751 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Openssl — versions 3.1.1, 3.0.0, 1.1.1
- Debian Debian_linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openssl-security@openssl.org (vendor-advisory, Vendor Advisory)
- openssl-security@openssl.org (Patch, Mailing List, patch)
- openssl-security@openssl.org (Patch, Mailing List, patch)
- openssl-security@openssl.org (Patch, Mailing List, patch)
- openssl-security@openssl.org (patch, Broken Link)
- openssl-security@openssl.org (Mailing List)
- openssl-security@openssl.org (Third Party Advisory)
- openssl-security@openssl.org (Mailing List, Third Party Advisory)
- openssl-security@openssl.org (Third Party Advisory)
- openssl-security@openssl.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-2650?
- CVE-2023-2650 is a medium-severity vulnerability in Openssl, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2023-05-30.
- How severe is CVE-2023-2650?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-2650 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.