CVE-2021-28660
https://notcve.org/view.php?id=CVE-2021-28660
rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. NOTE: from the perspective of kernel.org releases, CVE IDs are not normally used for drivers/staging/* (unfinished work); however, system integrators may have situations in which a drivers/staging issue is relevant to their own customer base. La función rtw_wx_set_scan en el archivo drivers/staging/rtl8188eu/os_dep/ioctl_linux.c en el kernel de Linux versiones hasta 5.11.6, permite escribir más allá del final de la matriz -)ssid[]. NOTA: desde la perspectiva de las versiones de kernel.org, las ID de CVE no se usan normalmente para drivers/staging/* (trabajo sin terminar); sin embargo, los integradores de sistemas pueden tener situaciones en las que un problema de drivers/staging sea relevante para su propia base de clientes • http://www.openwall.com/lists/oss-security/2022/11/18/1 http://www.openwall.com/lists/oss-security/2022/11/21/2 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=74b6b20df8cfe90ada777d621b54c32e69e27cd7 https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX https:/ • CWE-787: Out-of-bounds Write •
CVE-2021-20239 – kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure
https://notcve.org/view.php?id=CVE-2021-20239
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality. Se encontró un fallo en el kernel de Linux en versiones anteriores a 5.4.92 en el protocolo BPF. Este fallo permite a un atacante con una cuenta local filtrar información sobre las direcciones internas del kernel. • https://bugzilla.redhat.com/show_bug.cgi?id=1923636 https://access.redhat.com/security/cve/CVE-2021-20239 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-822: Untrusted Pointer Dereference •
CVE-2021-20283
https://notcve.org/view.php?id=CVE-2021-20283
The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17. El servicio web responsable de obtener los cursos inscritos de otros usuarios no comprobó que el usuario solicitante tuviera permiso para visualizar esa información en cada curso en moodle versiones anteriores a 3.10.2, 3.9.5, 3.8.8, 3.5.17 • https://bugzilla.redhat.com/show_bug.cgi?id=1939051 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT https://moodle.org/mod/forum/discuss.php?d=419654 • CWE-862: Missing Authorization CWE-863: Incorrect Authorization •
CVE-2021-20282
https://notcve.org/view.php?id=CVE-2021-20282
When creating a user account, it was possible to verify the account without having access to the verification email link/secret in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17. Cuando se crea una cuenta de usuario, era posible verificar la cuenta sin tener acceso al enlace/secreto del correo electrónico de comprobación en moodle versiones anteriores a 3.10.2, 3.9.5, 3.8.8, 3.5.17 • https://bugzilla.redhat.com/show_bug.cgi?id=1939046 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT https://moodle.org/mod/forum/discuss.php?d=419653 • CWE-863: Incorrect Authorization •
CVE-2021-20281
https://notcve.org/view.php?id=CVE-2021-20281
It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17. Fue posible que algunos usuarios sin permiso para visualizar los nombres completos de otros usuarios lo hicieran por medio del bloque de usuarios en línea en moodle versiones anteriores a 3.10.2, 3.9.5, 3.8.8, 3.5.17 • https://bugzilla.redhat.com/show_bug.cgi?id=1939041 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT https://moodle.org/mod/forum/discuss.php?d=419652 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-863: Incorrect Authorization •