Vulnerability · Published Feb 25, 2020 · Assigned by mitre
CVE-2020-8793
Medium 4.7
In plain English
A medium-severity security flaw in the opensmtpd package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.7Medium
Exploit odds (30 days)0.9%top 41.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | opensmtpd | 6.6.4p1-1 | DEBIAN-CVE-2020-8793 |
| Debian:13 | opensmtpd | 6.6.4p1-1 | DEBIAN-CVE-2020-8793 |
| Debian:14 | opensmtpd | 6.6.4p1-1 | DEBIAN-CVE-2020-8793 |
Affected products (as reported)
References
- https://www.openbsd.org/security.html x_refsource_MISC
- [oss-security] 20200224 Local information disclosure in OpenSMTPD (CVE-2020-8793) mailing-list, x_refsource_MLIST
- 20200227 Local information disclosure in OpenSMTPD (CVE-2020-8793) mailing-list, x_refsource_FULLDISC
- FEDORA-2020-b92d7083ca vendor-advisory, x_refsource_FEDORA
- USN-4294-1 vendor-advisory, x_refsource_UBUNTU