NULL pointer dereference in OpenSSL
CVE-2017-3730
In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.553 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.553 · newest: 0.553 · change: 0.000
Affected products
- OpenSSL — versions 1.1.0c, openssl-1.1.0c, openssl-1.1.0
- Oracle Agile Engineering Data Management — versions 6.1.3, 6.2.0
- Oracle Communications Application Session Controller — versions 3.7.1, 3.8.0
- Oracle Communications Eagle Lnp Application Processor — versions 10.0, 10.1, 10.2
- Oracle Communications Operations Monitor — versions 3.4, 4.0
- Oracle Jd Edwards Enterpriseone Tools — versions 9.2
- Oracle Jd Edwards World Security — versions a9.1, a9.2, a9.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html (Patch)
- www.exploit-db.com/exploits/41192/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securityfocus.com/bid/95812 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa (Patch, Third Party Advisory)
- www.openssl.org/news/secadv/20170126.txt (Patch, Vendor Advisory)
- www.securitytracker.com/id/1037717 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (Patch)
- security.gentoo.org/glsa/201702-07 (vendor-advisory, Third Party Advisory)
- support.hpe.com/hpsc/doc/public/display (Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (Patch)
Frequently asked questions
- What is CVE-2017-3730?
- CVE-2017-3730 is a high-severity vulnerability in OpenSSL, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-05-04.
- How severe is CVE-2017-3730?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-3730 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.