CVE-2015-5333

Public Exploit

Description

Memory leak in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (memory consumption) via a large number of ASN.1 object identifiers in X.509 certificates.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Vendor Advisory openbsd.org
Affected: LibreSSL LibreSSL
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.html third party advisory vdb entry exploit
http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txt release notes vendor advisory
http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threaded broken link
http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2015-5333?
CVE-2015-5333 has been scored as a high severity vulnerability.
How to fix CVE-2015-5333?
To fix CVE-2015-5333, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5333 being actively exploited in the wild?
It is possible that CVE-2015-5333 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2015-5333?
CVE-2015-5333 affects LibreSSL LibreSSL.
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