Critical severity · published Oct 26, 2020
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
9.8
CVSS
1.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IL
Illumos · Illumos
before 2020-10-22 · source: NVD
OM
Omnios · Omniosce
before r151030by; r151032 through r151032ay; r151034 before r151034y · source: NVD
SM
Smartos · Joyent
before 20201022 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27678
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27678
Patch
https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452
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