CVE-2015-3194
What it is
crypto/rsa/rsa_ameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 44.0% 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
- 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: 44.0% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 44.0% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Modified
Affected
- OpenSSL 1.0.1
- OpenSSL 1.0.1a
- OpenSSL 1.0.1b
- OpenSSL 1.0.1c
- OpenSSL 1.0.1d
- OpenSSL 1.0.1e
- OpenSSL 1.0.1f
- OpenSSL 1.0.1g
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2015-3194.md and follow it. Check whether this project is affected by CVE-2015-3194. 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
- http://openssl.org/news/secadv/20151203.txt
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://openssl.org/news/secadv/20151203.txt
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
References
- http://fortiguard.com/advisory/openssl-advisory-december-2015
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173801.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00053.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00070.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00071.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00087.html
- http://marc.info/?l=bugtraq&m=145382583417444&w=2
- http://openssl.org/news/secadv/20151203.txt
- http://rhn.redhat.com/errata/RHSA-2015-2617.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
- http://www.debian.org/security/2015/dsa-3413
- http://www.fortiguard.com/advisory/openssl-advisory-december-2015
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/78623
- http://www.securityfocus.com/bid/91787
- http://www.securitytracker.com/id/1034294
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583