The "mozAddonManager" allows for the installation of extensions from the CDN for addons.mozilla.org, a publicly accessible site. This could allow malicious extensions to install additional extensions from the CDN in combination with an XSS attack on Mozilla AMO sites. This vulnerability affects Firefox < 51.
"mozAddonManager" permite la instalación de extensiones del CDN para addons.mozilla.org, un sitio accesible de forma pública. Esto podría permitir que extensiones maliciosas instalen extensiones adicionales del CDN en combinación con un ataque de Cross-Site Scripting (XSS) en sitios Mozilla AMO. La vulnerabilidad afecta a Firefox en versiones anteriores a la 51.
USN-3175-1 fixed vulnerabilities in Firefox. The update caused a regression on systems where the AppArmor profile for Firefox is set to enforce mode. This update fixes the problem. Multiple memory safety issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. JIT code allocation can allow a bypass of ASLR protections in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. Nicolas GrAgoire discovered a use-after-free when manipulating XSL in XSLT documents in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. Atte Kettunen discovered a memory corruption issue in Skia in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.
