CVE-2021-20277

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.

References

https://www.samba.org/samba/security/CVE-2021-20277.html

https://www.debian.org/security/2021/dsa-4884

https://security.netapp.com/advisory/ntap-20210326-0007/

https://security.gentoo.org/glsa/202105-22

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/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/

https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html

https://bugzilla.redhat.com/show_bug.cgi?id=1941402

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3