CVE-2019-14562
published 2020-11-23CVE-2019-14562: Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
PriorityP416medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.31%
22.8th percentile
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | edk2 | < edk2 2020.05-4 (bookworm) | edk2 2020.05-4 (bookworm) |
| tianocore | edk2 | >= 0 < 2020.05-4 | 2020.05-4 |
| tianocore | edk2 | >= 0 < 2020.05-4 | 2020.05-4 |
| tianocore | edk2 | >= 0 < 2020.05-4 | 2020.05-4 |
| tianocore | edk2 | >= 0 < 2020.05-4 | 2020.05-4 |
| tianocore | edk2 | >= 0 < 0~20160408.ffea0a2c-2ubuntu0.2 | 0~20160408.ffea0a2c-2ubuntu0.2 |
| tianocore | edk2 | >= 0 < 0~20180205.c0d9813c-2ubuntu0.3 | 0~20180205.c0d9813c-2ubuntu0.3 |
| tianocore | edk2 | >= 0 < 0~20191122.bd85bf54-2ubuntu3.1 | 0~20191122.bd85bf54-2ubuntu3.1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
vendor_ubuntu5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-57v4-px6g-hxrm: Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access
ghsa_unreviewed·2022-05-24
CVE-2019-14562 [MEDIUM] CWE-190 GHSA-57v4-px6g-hxrm: Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
OSV
edk2 vulnerabilities
osv·2021-01-07·CVSS 5.5
CVE-2019-14562 [MEDIUM] edk2 vulnerabilities
edk2 vulnerabilities
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)
OSV
CVE-2019-14562: Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access
osv·2020-11-23·CVSS 5.5
CVE-2019-14562 [MEDIUM] CVE-2019-14562: Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
Ubuntu
EDK II vulnerabilities
vendor_ubuntu·2021-01-07·CVSS 5.5
CVE-2019-14584 [MEDIUM] EDK II vulnerabilities
Title: EDK II vulnerabilities
Summary: Several security issues were fixed in EDK II.
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)
Instructions: After a standard system update you need to restart the virtual machines
that use the affected firmware to make all the necessary changes.
Red Hat
edk2: DxeImageVerificationHandler integer overflow leads to endless loop
vendor_redhat·2019-09-24·CVSS 5.5
CVE-2019-14562 [MEDIUM] CWE-20 edk2: DxeImageVerificationHandler integer overflow leads to endless loop
edk2: DxeImageVerificationHandler integer overflow leads to endless loop
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
Package: edk2 (Red Hat Enterprise Linux 8) - Fix deferred
Package: edk2 (Red Hat Enterprise Linux 9) - Not affected
Debian
CVE-2019-14562: edk2 - Integer overflow in DxeImageVerificationHandler() EDK II may allow an authentica...
vendor_debian·2019·CVSS 5.5
CVE-2019-14562 [MEDIUM] CVE-2019-14562: edk2 - Integer overflow in DxeImageVerificationHandler() EDK II may allow an authentica...
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.
Scope: local
bookworm: resolved (fixed in 2020.05-4)
bullseye: resolved (fixed in 2020.05-4)
forky: resolved (fixed in 2020.05-4)
sid: resolved (fixed in 2020.05-4)
trixie: resolved (fixed in 2020.05-4)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [epel-all]
bugzilla·2020-08-17·CVSS 5.5
CVE-2019-14562 [MEDIUM] CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [epel-all]
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [fedora-all]
bugzilla·2020-08-17·CVSS 5.5
CVE-2019-14562 [MEDIUM] CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [fedora-all]
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mult
Bugzilla
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop
bugzilla·2020-08-17·CVSS 5.5
CVE-2019-14562 [MEDIUM] CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop
CVE-2019-14562 edk2: DxeImageVerificationHandler integer overflow leads to endless loop
There is an integer overflow vulnerability in the DxeImageVerificationHandler(..) function when parsing the PE files attribute certificate table. In cases where WinCertificate->dwLength is sufficiently large, it's possible to overflow Offset back to 0 causing an endless loop.
References:
https://bugzilla.tianocore.org/show_bug.cgi?id=2215
Discussion:
Note that the upstream bug report at is seriously under-specified. In the discussion linked at , we're now trying to figure out what the original bug reporter had in mind exactly.
---
Flaw summary:
DxeImageVerificationHandler() in SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c, provides verification service for signed PE/COFF i
2020-11-23
Published