Buffer overflow in Openbsd Openssh

CVE-2016-10011

authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.

EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-10011?
CVE-2016-10011 is a medium-severity vulnerability in Openbsd Openssh, classified under CWE-320. CVSS score: 6.2/10. Published 2017-01-05.
How severe is CVE-2016-10011?
Medium severity. CVSS v3 base score is 6.2 out of 10.
Is CVE-2016-10011 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.