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.

Affected

LibreSSL

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

1.98% chance of exploitation in the next 30 days, 80th percentile

Published

2020-01-23

Updated

2024-08-06

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-Leak-Overfl…

Security advisories

• http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txt
• http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.html

References

• CVE Record
• NVD entry