CVE-2019-19344

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
redhatCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
sambasamba
4.9.0 ≤
𝑥
< 4.9.18
sambasamba
4.10.0 ≤
𝑥
< 4.10.12
sambasamba
4.11.0 ≤
𝑥
< 4.11.5
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.04
canonicalubuntu_linux
19.10
synologydirectory_server
-
synologyrouter_manager
1.2
synologyskynas
-
synologydiskstation_manager
6.2
opensuseleap
15.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bullseye (security)
2:4.13.13+dfsg-1~deb11u6
fixed
bullseye
2:4.13.13+dfsg-1~deb11u6
fixed
stretch
not-affected
jessie
not-affected
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
eoan
Fixed 2:4.10.7+dfsg-0ubuntu2.4
released
disco
Fixed 2:4.10.0+dfsg-0ubuntu2.8
released
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344
https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20200122-0001/
https://usn.ubuntu.com/4244-1/
https://www.samba.org/samba/security/CVE-2019-19344.html
https://www.synology.com/security/advisory/Synology_SA_20_01
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344
https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20200122-0001/
https://usn.ubuntu.com/4244-1/
https://www.samba.org/samba/security/CVE-2019-19344.html
https://www.synology.com/security/advisory/Synology_SA_20_01