Integer overflow in HP Icewall Mcrp
CVE-2016-2177
OpenSSL through 1.0.2h incorrectly uses pointer arithmetic for heap-buffer boundary checks, which might allow remote attackers to cause a denial of service (integer overflow and application crash) or possibly have unspecified other impact by leveraging unexpected malloc behavior, related to s3_srvr.c, ssl_sess.c, and t1_lib.c.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.445 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.347 · newest: 0.445 · change: +0.098
Affected products
- HP Icewall Mcrp — versions 3.0
- HP Icewall Sso — versions 10.0
- HP Icewall Sso Agent Option — versions 10.0
- OpenSSL — versions 1.0.1, 1.0.1a, 1.0.1b
- Oracle Linux — versions 5, 6, 7
- Oracle Solaris — versions 10, 11.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/tns-2016-20
- www.splunk.com/view/SP-CAAAPUE (Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- rhn.redhat.com/errata/RHSA-2017-1659.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1658 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-1940.html (vendor-advisory)
- www.securitytracker.com/id/1036088 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html (Third Party Advisory)
- security.gentoo.org/glsa/201612-16 (vendor-advisory, Patch, VDB Entry, Third Party Advisory)
- www.citect.schneider-electric.com/safety-and-security-central/36-security-notif…
Frequently asked questions
- What is CVE-2016-2177?
- CVE-2016-2177 is a critical-severity vulnerability in HP Icewall Mcrp, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2016-06-20.
- How severe is CVE-2016-2177?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-2177 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.