Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-38575 |
CWE-ID | CWE-119 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
edk2 Hardware solutions / Firmware |
Vendor | TianoCore |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU56490
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38575
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the IScsiHexToBin() function in NetworkPkg/IScsiDxe. A remote attacker with ability to inject data into communication between edk2 and the iSCSI target can execute arbitrary code on the target system.
Install updates from vendor's website.
Vulnerable software versionsedk2: edk2-stable201808 - UDK2018
External linkshttp://edk2.groups.io/g/devel/message/76198
http://listman.redhat.com/archives/edk2-devel-archive/2021-June/msg00316.html
http://bugzilla.redhat.com/show_bug.cgi?id=1956284
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.