CVE-2021-20277
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20277
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-20277.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1:2.3.0-1 | |
| sles | affected | | |
| debian | bullseye | fixed | 2:2.2.0-3.1 |
| debian | bookworm | fixed | 2:4.13.13+dfsg-1 |
| debian | forky | fixed | 2:4.13.13+dfsg-1 |
| debian | sid | fixed | 2:4.13.13+dfsg-1 |
| debian | trixie | fixed | 2:4.13.13+dfsg-1 |
References
Verify integrity in audit chain (admin only). AS-IS.