Improper input validation in OpenSSL
CVE-2015-1787
The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.6 (Low). Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.065 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
- OpenSSL — versions 1.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.openssl.org/
- kc.mcafee.com/corporate/index (Third Party Advisory)
- www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory)
- bto.bluecoat.com/security-advisory/sa92 (Third Party Advisory)
- www.openssl.org/news/secadv_20150319.txt (Vendor Advisory)
- www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html (Third Party Advisory)
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2015-1787?
- CVE-2015-1787 is a vulnerability in OpenSSL, classified under Improper Input Validation. Published 2015-03-19.
- Is CVE-2015-1787 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.