CVE-2020-27840

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1941400	Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210326-0007/	Third Party Advisory
https://www.samba.org/samba/security/CVE-2020-27840.html	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4884	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202105-22	Third Party Advisory

Configuration 1

cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

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Published : 2021-05-12 03:15

Updated : 2021-05-26 07:46

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NVD link : CVE-2020-27840

Mitre link : CVE-2020-27840

No products.

CWE-125

Out-of-bounds Read