CVSS: 6.5EPSS: 0%CPEs: 9EXPL: 0CVE-2020-10730 – samba: NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results
https://notcve.org/view.php?id=CVE-2020-10730
A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability. Se encontró una desreferencia del puntero NULL, o un posible fallo de uso de la memoria previamente liberada en el servidor LDAP de Samba AD en versiones anteriores a 4.10.17, anteriores a 4.11.11 y anteriores a 4.12.4. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org • CWE-416: Use After Free CWE-476: NULL Pointer Dereference •
CVSS: 6.5EPSS: 0%CPEs: 9EXPL: 0CVE-2020-10760
https://notcve.org/view.php?id=CVE-2020-10760
A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba. Se encontró un fallo de uso de la memoria previamente liberada en todas las versiones del servidor LDAP de samba anteriores a 4.10.17, anteriores a 4.11.11, anteriores a 4.12.4, usado en una configuración AC DC. Un usuario del LDAP de Samba podría usar este fallo para bloquear samba • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html https://bugzilla.redhat.com/show_bug.cgi?id=1849509%3B https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2 https://security.gentoo.org/glsa/202007- • CWE-416: Use After Free •
CVSS: 7.5EPSS: 0%CPEs: 7EXPL: 0CVE-2020-15503 – LibRaw: lack of thumbnail size range check can lead to buffer overflow
https://notcve.org/view.php?id=CVE-2020-15503
LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength. LibRaw versiones anteriores a 0.20-RC1, carece de una comprobación de rango de tamaño de miniaturas. Esto afecta a los archivos decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, y utils/thumb_utils.cpp. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00075.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00001.html https://github.com/LibRaw/LibRaw/commit/20ad21c0d87ca80217aee47533d91e633ce1864d https://github.com/LibRaw/LibRaw/compare/0.20-Beta3...0.20-RC1 https://lists.debian.org/debian-lts-announce/2022/11/msg00042.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7HM2DS6HA4YZREI3BYGS75M6D76WMW62 https://lists.fedoraproject.org/ • CWE-20: Improper Input Validation CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2020-5238 – Denial of service in table parsing in cmark-gfm
https://notcve.org/view.php?id=CVE-2020-5238
The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes O(n * n) time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service. This issue does not affect the upstream cmark project. The issue has been fixed in version 0.29.0.gfm.1. La extensión de tabla en GitHub Flavored Markdown anterior a la versión 0.29.0.gfm.1 toma un tiempo O(n*n) en analizar determinadas entradas. • https://github.com/github/cmark-gfm/commit/85d895289c5ab67f988ca659493a64abb5fec7b4 https://github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCDHBTUFIOYRIS5HAS6PZNBNMB7IOAX3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WMQFOQQCWOAMQ4I2XIVCVOXXIJ75HDCW https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZGJH2A4VAV54X6NSCNNGSEIGIIY5N2VR https://access.redhat& • CWE-20: Improper Input Validation •
CVSS: 7.7EPSS: 0%CPEs: 5EXPL: 0CVE-2020-14058 – squid: DoS in TLS handshake
https://notcve.org/view.php?id=CVE-2020-14058
An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Service when opening a TLS connection to an attacker-controlled server for HTTPS. This occurs because unrecognized error values are mapped to NULL, but later code expects that each error value is mapped to a valid error string. Se detectó un problema en Squid versiones anteriores a 4.12 y versiones 5.x anteriores a 5.0.3. Debido al uso de una función potencialmente peligrosa, Squid y el asistente de comprobación de certificados predeterminado son vulnerables a una Denegación de Servicio al abrir una conexión TLS en un servidor controlado por el atacante por HTTPS. • http://www.squid-cache.org/Advisories/SQUID-2020_6.txt http://www.squid-cache.org/Versions/v4/changesets/squid-4-93f5fda134a2a010b84ffedbe833d670e63ba4be.patch http://www.squid-cache.org/Versions/v5/changesets/squid-5-c6d1a4f6a2cbebceebc8a3fcd8f539ceb7b7f723.patch https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7 https://security.netapp.com/advisory/ntap-20210312-0001 https://access.redhat.com/security/cve/CVE-2020-14058 https://bugzilla.redhat.com/show • CWE-676: Use of Potentially Dangerous Function •