CVE-2020-10760 — Use After Free in Samba

CWE-416 — Use After Free10 documents8 sources
Severity
6.5MEDIUMNVD
EPSS
2.4%
top 15.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SambaCanonical Ubuntu LinuxFedoraproject Fedora+1 more
Timeline
PublishedJul 6
Latest updateMay 24

Description

A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶NVDsamba/samba4.5.0 — 4.10.17+2
▶Debiansamba/samba< 2:4.12.5+dfsg-1+3
▶Ubuntusamba/samba< 2:4.3.11+dfsg-0ubuntu0.16.04.28+3
▶CVEListV5samba/sambaAll Samba versions before 4.10.17, 4.11.11, 4.12.4
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Fedora 31, Ubuntu Linux 18.04, 19.10, 20.04

🔴Vulnerability Details

4
GHSA
GHSA-wf3q-4cm3-gfjr: A use-after-free flaw was found in all samba LDAP server versions before 4↗2022-05-24
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CVEList
CVE-2020-10760: A use-after-free flaw was found in all samba LDAP server versions before 4↗2020-07-06
▶
OSV
CVE-2020-10760: A use-after-free flaw was found in all samba LDAP server versions before 4↗2020-07-06
▶
OSV
samba vulnerabilities↗2020-07-02
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📋Vendor Advisories

3
Red Hat
samba: LDAP Use-after-free in Samba AD DC Global Catalog with paged_results and VLV↗2020-07-02
▶
Ubuntu
Samba vulnerabilities↗2020-07-02
▶
Debian
CVE-2020-10760: samba - A use-after-free flaw was found in all samba LDAP server versions before 4.10.17...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-10760 samba: LDAP Use-after-free in Samba AD DC Global Catalog with paged_results and VLV [fedora-all]↗2020-07-02
▶
Bugzilla
CVE-2020-10760 samba: LDAP Use-after-free in Samba AD DC Global Catalog with paged_results and VLV↗2020-06-22
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CVE-2020-10760 — Use After Free in Samba | cvebase