Vulnerability in Openssl

CVE-2015-1792

The do_free_upto function in crypto/cms/cms_smime.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (infinite loop) via vectors that trigger a NULL value of a BIO data structure, as demonstrated by an unrecognized X.660 OID for a hash function.

EPSS: 0.225 (97.5th percentile) — read the EPSS interpretation.

Affected products

  • Openssl — versions 1.0.0, 1.0.0a, 1.0.0b
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-1792?
CVE-2015-1792 is a vulnerability in Openssl, classified under CWE-399. Published 2015-06-12.
Is CVE-2015-1792 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.