7.5
CVE-2021-20277
- EPSS 4.33%
- Veröffentlicht 12.05.2021 14:15:11
- Zuletzt bearbeitet 21.11.2024 05:46:16
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 4.33% | 0.899 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-125 Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://www.debian.org/security/2021/dsa-4884
https://security.gentoo.org/glsa/202105-22
https://bugzilla.redhat.com/show_bug.cgi?id=1941402
https://lists.debian.org/debian-lts-announce/2021/03/msg00036.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/
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/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/
https://security.netapp.com/advisory/ntap-20210326-0007/
https://www.samba.org/samba/security/CVE-2021-20277.html