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CRITICAL · 9.8

CVE-2020-27678

An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libp...

Vulnerability Description

An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
IllumosIllumos< 2020-10-22
JoyentSmartos< 20201022
OmniosceOmnios< r151030by

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2020-27678?

CVE-2020-27678 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libp...

How severe is CVE-2020-27678?

CVE-2020-27678 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-27678?

Check the references section above for vendor advisories and patch information. Affected products include: Illumos Illumos, Joyent Smartos, Omniosce Omnios.