Security update for MozillaFirefox SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2020:2318-1 Final 1 1 2020-12-22T17:24:33Z current 2020-12-22T17:24:33Z 2020-12-22T17:24:33Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: - Firefox Extended Support Release 78.6.0 ESR * Fixed: Various stability, functionality, and security fixes MFSA 2020-55 (bsc#1180039) * CVE-2020-16042 (bmo#1679003) Operations on a BigInt could have caused uninitialized memory to be exposed * CVE-2020-26971 (bmo#1663466) Heap buffer overflow in WebGL * CVE-2020-26973 (bmo#1680084) CSS Sanitizer performed incorrect sanitization * CVE-2020-26974 (bmo#1681022) Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free * CVE-2020-26978 (bmo#1677047) Internal network hosts could have been probed by a malicious webpage * CVE-2020-35111 (bmo#1657916) The proxy.onRequest API did not catch view-source URLs * CVE-2020-35112 (bmo#1661365) Opening an extension-less download may have inadvertently launched an executable instead * CVE-2020-35113 (bmo#1664831, bmo#1673589) Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 This update was imported from the SUSE:SLE-15:Update update project. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-2020-2318 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ E-Mail link for openSUSE-SU-2020:2318-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1180039 SUSE Bug 1180039 https://www.suse.com/security/cve/CVE-2020-16042/ SUSE CVE CVE-2020-16042 page https://www.suse.com/security/cve/CVE-2020-26971/ SUSE CVE CVE-2020-26971 page https://www.suse.com/security/cve/CVE-2020-26973/ SUSE CVE CVE-2020-26973 page https://www.suse.com/security/cve/CVE-2020-26974/ SUSE CVE CVE-2020-26974 page https://www.suse.com/security/cve/CVE-2020-26978/ SUSE CVE CVE-2020-26978 page https://www.suse.com/security/cve/CVE-2020-35111/ SUSE CVE CVE-2020-35111 page https://www.suse.com/security/cve/CVE-2020-35112/ SUSE CVE CVE-2020-35112 page https://www.suse.com/security/cve/CVE-2020-35113/ SUSE CVE CVE-2020-35113 page openSUSE Leap 15.2 MozillaFirefox-78.6.0-lp152.2.34.1 MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 MozillaFirefox-devel-78.6.0-lp152.2.34.1 MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 MozillaFirefox-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 MozillaFirefox-devel-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 as a component of openSUSE Leap 15.2 Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. CVE-2020-16042 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-16042.html CVE-2020-16042 https://bugzilla.suse.com/1179576 SUSE Bug 1179576 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-26971 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-26971.html CVE-2020-26971 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-26973 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-26973.html CVE-2020-26973 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-26974 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-26974.html CVE-2020-26974 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-26978 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-26978.html CVE-2020-26978 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-35111 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-35111.html CVE-2020-35111 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-35112 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-35112.html CVE-2020-35112 https://bugzilla.suse.com/1180039 SUSE Bug 1180039 Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. CVE-2020-35113 openSUSE Leap 15.2:MozillaFirefox-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-branding-upstream-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-buildsymbols-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-devel-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-common-78.6.0-lp152.2.34.1 openSUSE Leap 15.2:MozillaFirefox-translations-other-78.6.0-lp152.2.34.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/LL2B6S5KIA4HGLES3CDLSB4VRZW275H2/ https://www.suse.com/security/cve/CVE-2020-35113.html CVE-2020-35113 https://bugzilla.suse.com/1180039 SUSE Bug 1180039