CVE-2020-27678 — Classic Buffer Overflow in Illumos

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
0.5%
top 35.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
IllumosJoyent SmartosOmniosce Omnios
Timeline
PublishedOct 26
Latest updateMay 24

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:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDjoyent/smartos< 20201022
▶NVDillumos/illumos< 2020-10-22
▶NVDomniosce/omniosr151034 — r151034y+2

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-q226-j4q4-9wc9: An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022↗2022-05-24
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CVEList
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↗2020-10-23
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CVE-2020-27678 — Classic Buffer Overflow in Illumos | cvebase