The Portable Document Format (PDF) specification does not provide any information regarding the concrete procedure of how to validate signatures. Consequently, a Signature Wrapping vulnerability exists in multiple products. An attacker can use /ByteRange and xref manipulations that are not detected by the signature-validation logic. This affects Foxit Reader before 9.4 and PhantomPDF before 8.3.9 and 9.x before 9.4. It also affects eXpert PDF 12 Ultimate, Expert PDF Reader, Nitro Pro, Nitro Reader, PDF…
** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none.
An issue was discovered on Samsung mobile devices with M(6.0) and N(7.0) (Exynos5433, Exynos7420, or Exynos7870 chipsets) software. An attacker can bypass a ko (aka Kernel Module) signature by modifying the count of kernel modules. The Samsung ID is SVE-2016-7466 (January 2017).
An issue was discovered on Samsung mobile devices with P(9.0) and Q(10.0) (China / India) software. The S Secure application allows attackers to bypass authentication for a locked Gallery application via the Reminder application. The Samsung ID is SVE-2020-18689 (November 2020).