
CVE-2019-15795 – python-apt uses MD5 for validation
https://notcve.org/view.php?id=CVE-2019-15795
23 Jan 2020 — python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5. Python-apt solo comprueba las cantidades MD5 de los archivos descargados en las funciones "Version.fetch_binary()... • https://usn.ubuntu.com/4247-1 • CWE-327: Use of a Broken or Risky Cryptographic Algorithm •

CVE-2019-15796 – python-apt downloads from untrusted sources
https://notcve.org/view.php?id=CVE-2019-15796
23 Jan 2020 — Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn't be allowed and has been fixed in verisions 1.9.5, 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5. Python-apt no comprueba si los hashes están firmados en las funciones "Version.fetch_binary()" y... • https://usn.ubuntu.com/4247-1 • CWE-287: Improper Authentication CWE-347: Improper Verification of Cryptographic Signature •

CVE-2015-5479 – Ubuntu Security Notice USN-2944-1
https://notcve.org/view.php?id=CVE-2015-5479
05 Apr 2016 — The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions. La función ff_h263_decode_mba en libavcodec/ituh263dec.c en Libav en versiones anteriores a 11.5 permite a atacantes remotos provocar una denegación de servicio (error de división por cero y caída de la aplicación) a través de un archivo con dimensiones manipuladas. It was discovered that Libav in... • http://lists.opensuse.org/opensuse-updates/2016-06/msg00105.html • CWE-189: Numeric Errors •

CVE-2015-2150 – Debian Security Advisory 3237-1
https://notcve.org/view.php?id=CVE-2015-2150
12 Mar 2015 — Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response. Xen 3.3.x hasta la versión 4.5.x y en el kernel de Linux hasta la versión 3.19.1 no restringe adecuadamente el acceso al registro... • http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=af6fc858a35b90e89ea7a7ee58e66628c55c776b • CWE-264: Permissions, Privileges, and Access Controls •

CVE-2013-1066 – Ubuntu Security Notice USN-1958-1
https://notcve.org/view.php?id=CVE-2013-1066
18 Sep 2013 — language-selector 0.110.x before 0.110.1, 0.90.x before 0.90.1, and 0.79.x before 0.79.4 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288. language-selector 0.110.x anterior a la versión 0.110.1, 0.90.x anterior a 0.90.1 y 0.79.x anterior a la versión 9.79.4 no utiliza adecuadament... • http://secunia.com/advisories/54911 • CWE-264: Permissions, Privileges, and Access Controls •