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 by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
- CWE-416 Use After Free
- 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
- CVE List: CVE-2016-6309
- NVD: CVE-2016-6309
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