CVE-2020-13776 – systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits
https://notcve.org/view.php?id=CVE-2020-13776
systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082. systemd versiones hasta v245 maneja inapropiadamente los nombres de usuario numéricos, tales como los compuestos por dígitos decimales o 0x seguidos de dígitos hexadecimales, como es demostrado por el uso de privilegios root cuando era previsto privilegios de la cuenta de usuario 0x0. NOTA: este problema se presenta debido a una corrección incompleta para CVE-2017-1000082. A flaw was found in systemd, where it mishandles numerical usernames beginning with decimal digits, or "0x" followed by hexadecimal digits. When the usernames are used by systemd, for example in service units, an unexpected user may be used instead. • https://github.com/systemd/systemd/issues/15985 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYGLFEKG45EYBJ7TPQMLWROWPTZBEU63 https://security.netapp.com/advisory/ntap-20200611-0003 https://access.redhat.com/security/cve/CVE-2020-13776 https://bugzilla.redhat.com/show_bug.cgi?id=1845534 • CWE-269: Improper Privilege Management CWE-440: Expected Behavior Violation •
CVE-2020-13630 – sqlite: Use-after-free in fts3EvalNextRow in ext/fts3/fts3.c
https://notcve.org/view.php?id=CVE-2020-13630
ext/fts3/fts3.c in SQLite before 3.32.0 has a use-after-free in fts3EvalNextRow, related to the snippet feature. El archivo ext/fts3/fts3.c en SQLite versiones anteriores a la versión 3.32.0, tiene un uso de la memoria previamente liberada en la función fts3EvalNextRow, relacionado con la funcionalidad snippet. A use-after-free vulnerability was found in the SQLite FTS3 extension module in the way it implemented the snippet function. This flaw allows an attacker who can execute SQL statements to crash the application or potentially execute arbitrary code. • http://seclists.org/fulldisclosure/2020/Dec/32 http://seclists.org/fulldisclosure/2020/Nov/19 http://seclists.org/fulldisclosure/2020/Nov/20 http://seclists.org/fulldisclosure/2020/Nov/22 https://bugs.chromium.org/p/chromium/issues/detail?id=1080459 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7KXQWHIY2MQP4LNM6ODWJENMXY • CWE-416: Use After Free •
CVE-2020-13631 – sqlite: Virtual table can be renamed into the name of one of its shadow tables
https://notcve.org/view.php?id=CVE-2020-13631
SQLite before 3.32.0 allows a virtual table to be renamed to the name of one of its shadow tables, related to alter.c and build.c. SQLite versiones anteriores a la versión 3.32.0, permite que una tabla virtual sea renombrada con el nombre de una de sus tablas shadow, relacionada con los archivos alter.c y build.c. A flaw was found in the virtual table implementation of SQLite. This flaw allows an attacker who can execute SQL statements to rename a virtual table to the name of one of its shadow tables, leading to potential data corruption. • http://seclists.org/fulldisclosure/2020/Dec/32 http://seclists.org/fulldisclosure/2020/Nov/19 http://seclists.org/fulldisclosure/2020/Nov/20 http://seclists.org/fulldisclosure/2020/Nov/22 https://bugs.chromium.org/p/chromium/issues/detail?id=1080459 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3E https://lists.fedoraproject.org/archives/list/package-announce%40lists • CWE-20: Improper Input Validation •
CVE-2020-13632 – sqlite: NULL pointer dereference in ext/fts3/fts3_snippet.c via a crafted matchinfo() query
https://notcve.org/view.php?id=CVE-2020-13632
ext/fts3/fts3_snippet.c in SQLite before 3.32.0 has a NULL pointer dereference via a crafted matchinfo() query. En el archivo ext/fts3/fts3_snippet.c en SQLite versiones anteriores a la versión 3.32.0, tiene una desreferencia del puntero NULL por medio de una consulta en la función matchinfo() especialmente diseñada. A NULL pointer dereference flaw was found in the matchinfo auxiliary function of the SQLite FTS3 extension module. This flaw allows an attacker who can execute SQL statements to crash the application, resulting in a denial of service. • https://bugs.chromium.org/p/chromium/issues/detail?id=1080459 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7KXQWHIY2MQP4LNM6ODWJENMXYYQYBN https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc https://security.gentoo.org/glsa/202007-26 https://security.netapp.com/advisory/ntap-20200608-0002 https://sqlite.org • CWE-476: NULL Pointer Dereference •
CVE-2020-13143
https://notcve.org/view.php?id=CVE-2020-13143
gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4. En la función gadget_dev_desc_UDC_store en el archivo drivers/usb/gadget/configfs.c en el kernel de Linux versión 3.16 hasta la versión 5.6.13, se basa en kstrdup sin considerar la posibilidad de un valor "\0" interno, lo que permite a atacantes desencadenar una lectura fuera de límites, también se conoce como CID-15753588bcd4 • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=d126cf46f829d146dde3e6a8963e095ac6cfcd1c https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15753588bcd4bbffae1cca33c8ced5722477fe1f https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012 • CWE-125: Out-of-bounds Read •