openEuler update for edk2



Published: 2021-09-30
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 		openEuler
Operating systems & Components / Operating system

edk2-ovmf
Operating systems & Components / Operating system package or component

edk2-aarch64
Operating systems & Components / Operating system package or component

edk2-help
Operating systems & Components / Operating system package or component

python3-edk2-devel
Operating systems & Components / Operating system package or component

edk2-debuginfo
Operating systems & Components / Operating system package or component

edk2-debugsource
Operating systems & Components / Operating system package or component

edk2-devel
Operating systems & Components / Operating system package or component

edk2
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

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

Description

The 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.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

edk2-ovmf: before 202002-6

edk2-aarch64: before 202002-6

edk2-help: before 202002-6

python3-edk2-devel: before 202002-6

edk2-debuginfo: before 202002-6

edk2-debugsource: before 202002-6

edk2-devel: before 202002-6

edk2: before 202002-6

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1358


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.



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