CVSS: 7.5EPSS: 0%CPEs: 13EXPL: 0CVE-2022-43945 – kernel: nfsd buffer overflow by RPC message over TCP with garbage data
https://notcve.org/view.php?id=CVE-2022-43945
The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC message with garbage data is still correctly formed according to the specification and is passed forward to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the allocated buffer space. • http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f90497a16e434c2211c66e3de8e77b17868382b8 https://security.netapp.com/advisory/ntap-20221215-0006 https://access.redhat.com/security/cve/CVE-2022-43945 https://bugzilla.redhat.com/show_bug.cgi?id=2141752 • CWE-131: Incorrect Calculation of Buffer Size CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 7.5EPSS: 0%CPEs: 23EXPL: 0CVE-2022-40303 – libxml2: integer overflows with XML_PARSE_HUGE
https://notcve.org/view.php?id=CVE-2022-40303
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault. Se descubrió un problema en libxml2 antes de la versión 2.10.3. Al analizar un documento XML de varios gigabytes con la opción de analizador XML_PARSE_HUGE habilitada, varios contadores de enteros pueden desbordarse. • http://seclists.org/fulldisclosure/2022/Dec/21 http://seclists.org/fulldisclosure/2022/Dec/24 http://seclists.org/fulldisclosure/2022/Dec/25 http://seclists.org/fulldisclosure/2022/Dec/26 http://seclists.org/fulldisclosure/2022/Dec/27 https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0 https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 https://security.netapp.com/advisory/ntap-20221209-0003 https://support.apple.com/kb/HT213531 https:/ • CWE-190: Integer Overflow or Wraparound •
CVSS: 7.8EPSS: 0%CPEs: 23EXPL: 0CVE-2022-40304 – libxml2: dict corruption caused by entity reference cycles
https://notcve.org/view.php?id=CVE-2022-40304
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked. Se descubrió un problema en libxml2 antes de la versión 2.10.3. Ciertas definiciones de entidades XML no válidas pueden dañar la clave de una tabla hash, lo que podría provocar errores lógicos posteriores. • http://seclists.org/fulldisclosure/2022/Dec/21 http://seclists.org/fulldisclosure/2022/Dec/24 http://seclists.org/fulldisclosure/2022/Dec/25 http://seclists.org/fulldisclosure/2022/Dec/26 http://seclists.org/fulldisclosure/2022/Dec/27 https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b https://gitlab.gnome.org/GNOME/libxml2/-/tags https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 https://security.netapp.com/advisory/ntap-20221209-0003 • CWE-415: Double Free •
CVSS: 6.5EPSS: 0%CPEs: 14EXPL: 1CVE-2022-35260
https://notcve.org/view.php?id=CVE-2022-35260
curl can be told to parse a `.netrc` file for credentials. If that file endsin a line with 4095 consecutive non-white space letters and no newline, curlwould first read past the end of the stack-based buffer, and if the readworks, write a zero byte beyond its boundary.This will in most cases cause a segfault or similar, but circumstances might also cause different outcomes.If a malicious user can provide a custom netrc file to an application or otherwise affect its contents, this flaw could be used as denial-of-service. Se puede indicar a curl que analice un archivo `.netrc` en busca de credenciales. Si ese archivo termina en una línea con 4095 letras de espacios consecutivos que no sean espacios en blanco y sin nueva línea, curl primero leerá más allá del final del búfer basado en pila y, si la lectura funciona, escribirá un byte cero más allá de su límite. En la mayoría de los casos, esto causará una falla de segmento o similar, pero las circunstancias también pueden causar resultados diferentes. • http://seclists.org/fulldisclosure/2023/Jan/19 http://seclists.org/fulldisclosure/2023/Jan/20 https://hackerone.com/reports/1721098 https://security.gentoo.org/glsa/202212-01 https://security.netapp.com/advisory/ntap-20230110-0006 https://support.apple.com/kb/HT213604 https://support.apple.com/kb/HT213605 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 16EXPL: 1CVE-2022-32221 – curl: POST following PUT confusion
https://notcve.org/view.php?id=CVE-2022-32221
When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the subsequent `POST` request. The problem exists in the logic for a reused handle when it is changed from a PUT to a POST. Al realizar transferencias HTTP(S), libcurl podría usar erróneamente la devolución de llamada de lectura (`CURLOPT_READFUNCTION`) para solicitar datos para enviar, incluso cuando se haya configurado la opción `CURLOPT_POSTFIELDS`, si anteriormente se usó el mismo identificador para emitir un `PUT `solicitud que utilizó esa devolución de llamada. Esta falla puede sorprender a la aplicación y hacer que se comporte mal y envíe datos incorrectos o use memoria después de liberarla o algo similar en la solicitud "POST" posterior. • http://seclists.org/fulldisclosure/2023/Jan/19 http://seclists.org/fulldisclosure/2023/Jan/20 http://www.openwall.com/lists/oss-security/2023/05/17/4 https://hackerone.com/reports/1704017 https://lists.debian.org/debian-lts-announce/2023/01/msg00028.html https://security.gentoo.org/glsa/202212-01 https://security.netapp.com/advisory/ntap-20230110-0006 https://security.netapp.com/advisory/ntap-20230208-0002 https://support.apple.com/kb/HT213604 https://support.apple.com/k • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-440: Expected Behavior Violation CWE-668: Exposure of Resource to Wrong Sphere •