CVE-2020-7455 — MEDIUM (5.5)

Vulnerability Description

In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates some packet length allowing disclosure of small amounts of kernel (for kernel NAT) or natd process space (for userspace natd).

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Freebsd	Freebsd	11.3

Related Weaknesses (CWE)

CWE-772

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.ascVendor Advisory
https://security.netapp.com/advisory/ntap-20200518-0005/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-661/Third Party AdvisoryVDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.ascVendor Advisory
https://security.netapp.com/advisory/ntap-20200518-0005/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-661/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-7455?

CVE-2020-7455 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates so...

How severe is CVE-2020-7455?

CVE-2020-7455 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7455?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.