SARA / Free Tools / CVE / CVE-2020-10760

CVE-2020-10760 — A use-after-free flaw was found in all samba LDAP server versions before 4

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

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EPSS

2.35% (top 15.30%)

CWE

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Published

2020-07-06T18:02:10.000Z

Last modified

2024-08-04T11:14:15.429Z

CVSS vector

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01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / Samba	All Samba versions before 4.10.17, 4.11.11, 4.12.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2020-07-06T18:02:10.000Z
Last modified: 2024-08-04T11:14:15.429Z

09References

bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1849509%3B
www.samba.org — https://www.samba.org/samba/security/CVE-2020-10760.html
usn.ubuntu.com — https://usn.ubuntu.com/4409-1/
lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
security.gentoo.org — https://security.gentoo.org/glsa/202007-15
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html

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