CVE-2020-35495
https://notcve.org/view.php?id=CVE-2020-35495
There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34. Se presenta un fallo en el archivo /bfd/pef.c de binutils. • https://bugzilla.redhat.com/show_bug.cgi?id=1911441 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6 https://security.gentoo.org/glsa/202107-24 https://security.netapp.com/advisory/ntap-20210212-0007 • CWE-476: NULL Pointer Dereference •
CVE-2020-35494
https://notcve.org/view.php?id=CVE-2020-35494
There's a flaw in binutils /opcodes/tic4x-dis.c. An attacker who is able to submit a crafted input file to be processed by binutils could cause usage of uninitialized memory. The highest threat is to application availability with a lower threat to data confidentiality. This flaw affects binutils versions prior to 2.34. Se presenta un fallo en el archivo /opcodes/tic4x-dis.c de binutils. • https://bugzilla.redhat.com/show_bug.cgi?id=1911439 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6 https://security.gentoo.org/glsa/202107-24 https://security.netapp.com/advisory/ntap-20210212-0007 • CWE-908: Use of Uninitialized Resource •
CVE-2020-35493
https://notcve.org/view.php?id=CVE-2020-35493
A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34. Se presenta un fallo en el archivo bfd/pef.c de binutils. Un atacante que pueda enviar un archivo PEF diseñado para que sea analizado por objdump podría causar un desbordamiento del búfer de pila -) lectura fuera de límites que podría tener un impacto en la disponibilidad de la aplicación. • https://bugzilla.redhat.com/show_bug.cgi?id=1911437 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6 https://security.gentoo.org/glsa/202107-24 https://security.netapp.com/advisory/ntap-20210212-0007 • CWE-20: Improper Input Validation •
CVE-2020-15436 – kernel: use-after-free in fs/block_dev.c
https://notcve.org/view.php?id=CVE-2020-15436
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field. La vulnerabilidad de tipo use-after-free en el archivo fs/block_dev.c en el kernel de Linux versiones anteriores a 5.8, permite a usuarios locales obtener privilegios o causar una denegación de servicio al aprovechar el acceso inapropiado a un determinado campo de error A use-after-free flaw was observed in blkdev_get(), in fs/block_dev.c after a call to __blkdev_get() fails, and its refcount gets freed/released. This problem may cause a denial of service problem with a special user privilege, and may even lead to a confidentiality issue. • https://lkml.org/lkml/2020/6/7/379 https://security.netapp.com/advisory/ntap-20201218-0002 https://access.redhat.com/security/cve/CVE-2020-15436 https://bugzilla.redhat.com/show_bug.cgi?id=1901168 • CWE-416: Use After Free •
CVE-2020-12243 – openldap: denial of service via nested boolean expressions in LDAP search filters
https://notcve.org/view.php?id=CVE-2020-12243
In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash). En el archivo filter.c en slapd en OpenLDAP versiones anteriores a 2.4.50, los filtros de búsqueda de LDAP con expresiones booleanas anidadas pueden resultar en una denegación de servicio (bloqueo del demonio). • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.html https://bugs.openldap.org/show_bug.cgi?id=9202 https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGES https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440 https://lists.debian.org/debian-lts-announce/2020/05/msg00001.html https://security.netapp.com/advisory/ntap-20200511-0003 https://support.apple.com/kb/HT211289 https://usn.ubuntu.com/4352-1 https • CWE-400: Uncontrolled Resource Consumption CWE-674: Uncontrolled Recursion •