Out-of-bounds Read in Openssl

CVE-2016-2180

The TS_OBJ_print_bio function in crypto/ts/ts_lib.c in the X.509 Public Key Infrastructure Time-Stamp Protocol (TSP) implementation in OpenSSL through 1.0.2h allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted time-stamp file that is mishandled by the "openssl ts" command.

Vulnerability class: Buffer Overflow

EPSS: 0.285 (97.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-2180?
CVE-2016-2180 is a high-severity vulnerability in Openssl, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2016-08-01.
How severe is CVE-2016-2180?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-2180 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.