Buffer overflow in Freebsd

CVE-2019-5600

In FreeBSD 12.0-STABLE before r349622, 12.0-RELEASE before 12.0-RELEASE-p7, 11.3-PRERELEASE before r349624, 11.3-RC3 before 11.3-RC3-p1, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in iconv implementation may allow an attacker to write past the end of an output buffer. Depending on the implementation, an attacker may be able to create a denial of service, provoke incorrect program behavior, or induce a remote code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.049 (91.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Freebsd — versions 11.3, FreeBSD 12.0 before 12.0-RELEASE-p7 and 11.2 before 11.2-RELEASE-p11, 12.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-5600?
CVE-2019-5600 is a critical-severity vulnerability in Freebsd, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-03.
How severe is CVE-2019-5600?
Critical severity. CVSS v3 base score is 9.8 out of 10.