
CVE-2020-25717 – samba: Active Directory (AD) domain user could become root on domain members
https://notcve.org/view.php?id=CVE-2020-25717
11 Nov 2021 — A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation. Se encontró un fallo en la forma en que Samba mapea usuarios del dominio a usuarios locales. Un atacante autenticado podría usar este fallo para causar una posible escalada de privilegios Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext... • https://bugzilla.redhat.com/show_bug.cgi?id=2019672 • CWE-20: Improper Input Validation •

CVE-2020-25719 – samba: Samba AD DC did not always rely on the SID and PAC in Kerberos tickets
https://notcve.org/view.php?id=CVE-2020-25719
11 Nov 2021 — A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise. Se encontró un fallo en la forma en que Samba, como controlador de dominio de Active Directory, implementaba la autenticación basada en nombres de Kerberos. El AD DC de Samba, pod... • https://bugzilla.redhat.com/show_bug.cgi?id=2019732 • CWE-287: Improper Authentication CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2020-25722 – Gentoo Linux Security Advisory 202309-06
https://notcve.org/view.php?id=CVE-2020-25722
11 Nov 2021 — Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise. Se han encontrado múltiples fallos en la forma en que samba AD DC implementa el acceso y la comprobación de conformidad de los datos almacenados. Un atacante podría usar este fallo para causar un compromiso total del dominio Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could pos... • https://bugzilla.redhat.com/show_bug.cgi?id=2019764 • CWE-863: Incorrect Authorization •

CVE-2021-3748 – QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu
https://notcve.org/view.php?id=CVE-2021-3748
28 Oct 2021 — A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process. Se ha encontrado una vulnerabilidad de uso de memoria previamente liberada en el dispositivo virtio-... • https://bugzilla.redhat.com/show_bug.cgi?id=1998514 • CWE-416: Use After Free •

CVE-2021-32554 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32554
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete xorg apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •

CVE-2021-32553 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32553
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-17 package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete openjdk-17 apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •

CVE-2021-32552 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32552
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-16 package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete openjdk-16 apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •

CVE-2021-32550 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32550
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-14 package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete openjdk-14 apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •

CVE-2021-32549 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32549
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-13 package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete openjdk-13 apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •

CVE-2021-32548 – apport read_file() function could follow maliciously constructed symbolic links
https://notcve.org/view.php?id=CVE-2021-32548
12 Jun 2021 — It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users. Se ha detectado que la función read_file() en el archivo apport/hookutils.py podría seguir enlaces simbólicos o abrir FIFOs. Cuando esta función es usada por el paquete openjdk-8 apport hooks, podría exponer datos privados a otros usuarios locales • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-61: UNIX Symbolic Link (Symlink) Following •