Buffer overflow in OpenSSL

CVE-2015-0206

Memory leak in the dtls1_buffer_record function in d1_pkt.c in OpenSSL 1.0.0 before 1.0.0p and 1.0.1 before 1.0.1k allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate records for the next epoch, leading to failure of replay detection.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.574 (99.1th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-0206: held from 0.574 to 0.574.

EPSS over last 30 days · oldest: 0.574 · newest: 0.574 · change: 0.000

Affected products

  • OpenSSL — versions 1.0.0a, 1.0.0b, 1.0.0c

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-0206?
CVE-2015-0206 is a vulnerability in OpenSSL, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-01-09.
Is CVE-2015-0206 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.