CVE-2020-10700

NameCVE-2020-10700
DescriptionA use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow
Debian Bugs960189

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)stretch2:4.5.16+dfsg-1+deb9u2fixed
stretch (security)2:4.5.16+dfsg-1+deb9u3fixed
buster2:4.9.5+dfsg-5fixed
buster (security)2:4.9.5+dfsg-5+deb10u1fixed
bullseye, sid2:4.13.3+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcejessie(not affected)
sambasourcestretch(not affected)
sambasourcebuster(not affected)
sambasource(unstable)2:4.12.3+dfsg-2960189

Notes

[buster] - samba <not-affected> (Vulnerable code introduced later)
[stretch] - samba <not-affected> (Vulnerable code introduced later)
[jessie] - samba <not-affected> (Vulnerable code introduced later)
https://bugzilla.samba.org/show_bug.cgi?id=14331
https://www.samba.org/samba/security/CVE-2020-10700.html

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