Summary
Laszlo Ersek discovered that EDK II incorrectly validated certain signed
images. An attacker could possibly use this issue with a specially crafted
image to cause EDK II to hang, resulting in a denial of service. This issue
only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
(CVE-2019-14562)
It was discovered that EDK II incorrectly parsed signed PKCS #7 data. An
attacker could use this issue to cause EDK II to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-14584)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | edk2 | 0~20160408.ffea0a2c-2ubuntu0.2 |
| Ubuntu · 18.04 LTS 18.04:LTS | edk2 | 0~20180205.c0d9813c-2ubuntu0.3 |
| Ubuntu · 20.04 LTS 20.04:LTS | edk2 | 0~20191122.bd85bf54-2ubuntu3.1 |
Vulnerabilities 2
-
Unscored —
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial o…
-
Unscored —
Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privileg…