CVE-2016-2108
What it is
The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 77.9% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 77.9% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Exploit probability
- 77.9% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Redhat Enterprise Linux Desktop 6.0
- Redhat Enterprise Linux Hpc Node 6.0
- Redhat Enterprise Linux Server 6.0
- Redhat Enterprise Linux Workstation 6.0
- OpenSSL ≤ 1.0.1n
- OpenSSL 1.0.2
- OpenSSL 1.0.2a
- OpenSSL 1.0.2b
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-2108.md and follow it. Check whether this project is affected by CVE-2016-2108. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183457.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183607.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184605.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00055.html
- http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
- http://rhn.redhat.com/errata/RHSA-2016-0722.html
- http://rhn.redhat.com/errata/RHSA-2016-0996.html
- http://rhn.redhat.com/errata/RHSA-2016-2056.html
- http://rhn.redhat.com/errata/RHSA-2016-2073.html