ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 does not properly account for symbolic links in the IsRightsAuthorizedByName security policy check, allowing configured policy restrictions to be bypassed. Local attackers who can create a symlink can point it at a policy-restricted path to evade the configured policy.

ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 does not properly account for symbolic links in the IsRightsAuthorizedByName security policy check, allowing configured policy restrictions to be bypassed. Local attackers who can create a symlink can point it at a policy-restricted path to evade the configured policy.

Ein Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen, den Speicher zu beschädigen, Cross-Site-Scripting-Angriffe durchzuführen, einen Denial-of-Service-Angriff auszulösen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.