-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3149-1 debian-...@lists.debian.org https://www.debian.org/lts/security/ Sylvain Beucler October 12, 2022 https://wiki.debian.org/LTS - -------------------------------------------------------------------------
Package : ruby-nokogiri Version : 1.10.0+dfsg1-2+deb10u1 CVE ID : CVE-2019-5477 CVE-2020-26247 CVE-2022-24836 Debian Bug : 934802 978967 1009787 Multiple vulnerabilities were discovered in Nokogiri, an HTML/XML/SAX/Reader parser for the Ruby programming language, leading to command injection, XML external entity injection (XXE), and denial-of-service (DoS). CVE-2019-5477 A command injection vulnerability allows commands to be executed in a subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only if the undocumented method `Nokogiri::CSS::Tokenizer#load_file` is being called with unsafe user input as the filename. This vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. Rexical is used by Nokogiri to generate lexical scanner code for parsing CSS queries. CVE-2020-26247 XXE vulnerability: XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks. This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible. CVE-2022-24836 Nokogiri contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. For Debian 10 buster, these problems have been fixed in version 1.10.0+dfsg1-2+deb10u1. We recommend that you upgrade your ruby-nokogiri packages. For the detailed security status of ruby-nokogiri please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ruby-nokogiri Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE1vEOfV7HXWKqBieIDTl9HeUlXjAFAmNG0qcACgkQDTl9HeUl XjCOZhAAiFM9mYvi7aUOSdrrxHlwPN+GXrG3emtk4+gUpASQ5DC8PsdYiqDTEDlP GKVGVjfNaEuHCXCieQIk7198O4gOSrSs2KSLBlIvZnZYIaxmBv39Vhu+AevQh8Gx ZeXxGe50q+VFHZBoDz0BWTITBndMkR0J8sUbbjUvDbBlrOjyD7iVsT+orSiBtq74 /hkgLsYPF2PuKciTEN7P9XhaYcZ33GK3T9GBG2fxNjD8P+TlsnPy3qMhycWCskdd WFKa3kUwG+3MMCPe37vZFKlb4nDSPxqDPlRBczOeon0ea0A318dtUIfQx7ddAFYG lT9pH5Uon0XzX9ZfOGy2wfQsX0+wPoe7fOqszr0xik2Sq48CiSNkiQltqOYCzxdT cPc2/eRSNOfNfMvrLhsw85zur0h/oGPiE35Gkag+BMSB+Je/n+8NPww2vjQ8Llao QG02BtMXDLDXmn96tTYOMLa7HnVOucIJEVpFLegBH+ruSd6ITdKvmoRCAKGWd/1T 0R3UbUhVogyDsySEokHOJgqYo74Z0qk1ktKjtZo3NvO4GOOl7K+3J4Hp1wd0PtbG iT3HPB+VdpuaNjceiy6MVuJY+8oVtotLTCMwPFXWYF8doCczgOZHUrvJUTkl/0sI xa1ZxGNtsIIvN69LWpNw0LIfXDIlbvd6d0zx/BcQ6nZ4nMEJt24= =aoDP -----END PGP SIGNATURE-----