
CVE-2018-1060 – python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib
https://notcve.org/view.php?id=CVE-2018-1060
05 May 2018 — python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause denial of service. Python antes de las versiones 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 y 3.7.0 es vulnerable a un retroceso catastrófico en el método apop () de pop3lib. Un atacante podría usar este fallo para causar la denegación de servicio. A flaw was found in the way catastrophic backtracking was implemented in python's pop3lib's a... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html • CWE-20: Improper Input Validation •

CVE-2018-1061 – python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib
https://notcve.org/view.php?id=CVE-2018-1061
05 May 2018 — python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service. python en versiones anteriores a la 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 y 3.7.0 es vulnerable a backtracking catastrófico en el método difflib.IS_LINE_JUNK. Un atacante podría utilizar este fallo para provocar una denegación de servicio (DoS). A flaw was found in the way catastrophic backtracking was implem... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html • CWE-20: Improper Input Validation •

CVE-2017-18207
https://notcve.org/view.php?id=CVE-2017-18207
01 Mar 2018 — The Wave_read._read_fmt_chunk function in Lib/wave.py in Python through 3.6.4 does not ensure a nonzero channel value, which allows attackers to cause a denial of service (divide-by-zero and exception) via a crafted wav format audio file. NOTE: the vendor disputes this issue because Python applications "need to be prepared to handle a wide variety of exceptions. ** EN DISPUTA ** La función Wave_read._read_fmt_chunk en Lib/wave.py en Python, hasta la versión 3.6.4, no garantiza un valor de canal nonzero, lo ... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html • CWE-369: Divide By Zero •

CVE-2017-17522
https://notcve.org/view.php?id=CVE-2017-17522
14 Dec 2017 — Lib/webbrowser.py in Python through 3.6.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a software maintainer indicates that exploitation is impossible because the code relies on subprocess.Popen and the default shell=False setting ** EN DISPUTA ** Lib/webbrowser.py en Python hasta la versión 3.6.3 no valida las cadenas antes de iniciar el programa especif... • http://www.securityfocus.com/bid/102207 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •

CVE-2017-1000158 – Ubuntu Security Notice USN-3496-1
https://notcve.org/view.php?id=CVE-2017-1000158
17 Nov 2017 — CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution) CPython (también conocido como Python) hasta la versión 2.7.13 es vulnerable a un desbordamiento de enteros en la función PyString_DecodeEscape en stringobject.c, lo que resulta en un desbordamiento de búfer basado en memoria dinámica (heap) y, posiblemente, la ejecución de código arbitrario. USN-3496-1... • http://www.securitytracker.com/id/1039890 • CWE-190: Integer Overflow or Wraparound •

CVE-2017-9233 – Apple Security Advisory 2017-10-31-8
https://notcve.org/view.php?id=CVE-2017-9233
19 Jul 2017 — XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD. Una vulnerabilidad de XML External Entity (XEE) en libexpat versión 2.2.0 y anteriores (Expat XML Parser Library) permite que los atacantes consigan que el analizador entre en un bucle infinito utilizando una definición de entidad externa mal formada desde una DTD externa. It was discovered that Ex... • http://www.debian.org/security/2017/dsa-3898 • CWE-611: Improper Restriction of XML External Entity Reference CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVE-2016-9063 – Apple Security Advisory 2017-10-31-8
https://notcve.org/view.php?id=CVE-2016-9063
19 Nov 2016 — An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50. Desbordamiento de enteros durante el análisis de XML mediante la biblioteca Expat. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50. Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Firefox... • http://www.securityfocus.com/bid/94337 • CWE-190: Integer Overflow or Wraparound •

CVE-2016-5636 – python: Heap overflow in zipimporter module
https://notcve.org/view.php?id=CVE-2016-5636
02 Sep 2016 — Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow. Desbordamiento de entero en la función get_data en zipimport.c en CPython (también conocido como Python) en versiones anteriores a 2.7.12, 3.x en versiones anteriores a 3.4.5 y 3.5.x en versiones anteriores a 3.5.2 permite a atacantes remotos tene... • https://github.com/insuyun/CVE-2016-5636 • CWE-122: Heap-based Buffer Overflow CWE-190: Integer Overflow or Wraparound •

CVE-2016-2183 – SSL/TLS: Birthday attack against 64-bit block ciphers (SWEET32)
https://notcve.org/view.php?id=CVE-2016-2183
01 Sep 2016 — The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTPS session using Triple DES in CBC mode, aka a "Sweet32" attack. Los cifrados DES y Triple DES, como se usan en los protocolos TLS, SSH e IPSec y otros protocolos y productos, tienen ... • https://packetstorm.news/files/id/142756 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-327: Use of a Broken or Risky Cryptographic Algorithm •

CVE-2016-0772 – Python smtplib 2.7.11 / 3.4.4 / 3.5.1 - Man In The Middle StartTLS Stripping
https://notcve.org/view.php?id=CVE-2016-0772
21 Aug 2016 — The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack." La librería smtplib en CPython (también conocido como Python) en versiones anteriores a 2.7.12, 3.x en versiones anteriores a 3.4.5 y 3.5.x en versiones an... • https://www.exploit-db.com/exploits/43500 • CWE-693: Protection Mechanism Failure •