VulnerabilityModified

CVE-2015-5333

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.

HIGH 7.5EPSS 1.98%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 1.98% probability · 79th percentile
CISA KEV: Not listed
Weakness: CWE-400
Affected: openbsd/libressl · opensuse/opensuse
Source: secalert@redhat.com

References

http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease Notes, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link
http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease Notes, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overflow.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.