Vulnerability · Published Mar 26, 2021 · Assigned by redhat
CVE-2020-35518
Medium 5.3
In plain English
A medium-severity information exposure in 389-ds-base. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.5%top 25.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | 389-ds-base | 1.4.4.10-1 | DEBIAN-CVE-2020-35518 |
| Debian:13 | 389-ds-base | 1.4.4.10-1 | DEBIAN-CVE-2020-35518 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | 389-ds-base | 389-ds-base 2.0.3, 389-ds-base 1.4.4.13, 389-ds-base 1.4.3.19 |
Weakness: CWE-200
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1905565 x_refsource_MISC
- https://github.com/389ds/389-ds-base/issues/4480 x_refsource_MISC
- https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc x_refsource_MISC
- https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32 x_refsource_MISC