Vulnerability in Openssl
CVE-2015-0291
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
EPSS: 0.081 (94.2th percentile) — read the EPSS interpretation.
Affected products
- Openssl — versions 1.0.2
- N/a — versions n/a
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Vendor Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2015-0291?
- CVE-2015-0291 is a vulnerability in Openssl. Published 2015-03-19.
- Is CVE-2015-0291 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.