9.8crit

CVE-2016-6309in critical feed

statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a de…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
70.2%
percentile 99%
Public exploits
0
none known

Summary

statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.

Exploit prediction (EPSS)

70.22% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.010.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
Technology feeds
OpenSSL (RSS, critical only)

References

  • tenable.com /security/tns-2016-20 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/security-advisory/cpujan2018-3236628.html · x_refsource_CONFIRM, x_transferred
  • openssl.org /news/secadv/20160926.txt · x_refsource_CONFIRM, x_transferred
  • support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us · x_refsource_CONFIRM, x_transferred
  • www-01.ibm.com /support/docview.wss?uid=swg21995039 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036885 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • oracle.com /technetwork/security-advisory/cpuoct2016-2881722.html · x_refsource_CONFIRM, x_transferred
  • tenable.com /security/tns-2016-16 · x_refsource_CONFIRM, x_transferred
  • git.openssl.org /?p=openssl.git%3Ba=commit%3Bh=acacbfa7565c78d2273c0b2a2e5e803f44afefeb · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/93177 · vdb-entry, x_refsource_BID, x_transferred
  • oracle.com /technetwork/security-advisory/cpuapr2018-3678067.html · x_refsource_CONFIRM, x_transferred
  • bto.bluecoat.com /security-advisory/sa132 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/security-advisory/cpujul2017-3236622.html · x_refsource_CONFIRM, x_transferred
  • kb.juniper.net /InfoCenter/index?page=content&id=JSA10759 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.