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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a samba
samba 4.14.1, samba 4.13.6, samba 4.12.13affected
References
- https://security.netapp.com/advisory/ntap-20210326-0007/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/ ↗
- https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html ↗
- https://www.debian.org/security/2021/dsa-4884 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/ ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1941402 ↗
- https://www.samba.org/samba/security/CVE-2021-20277.html ↗
- https://security.gentoo.org/glsa/202105-22 ↗