CVE-2023-45234highCWE-119

CVE-2023-45234: high-severity vulnerability in TianoCore edk2

Buffer Overflow in EDK II Network Package

Published · Updated

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.3epss 1.2%
EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Affected products
TianoCore · edk2
Related CVEs — TianoCore edk2

In the same product, most dangerous first.

CVE-2023-45233HIGHInfinite loop in EDK II Network PackageEPSS 2.1%CVE-2023-45232HIGHInfinite loop in EDK II Network PackageEPSS 2.1%CVE-2023-45235HIGHBuffer Overflow in EDK II Network PackageEPSS 1.2%CVE-2023-45230HIGHBuffer Overflow in EDK II Network PackageEPSS 1.2%CVE-2023-45237MEDIUMUse of a Weak PseudoRandom Number Generator in EDK II Network PackageEPSS 1.0%CVE-2023-45236MEDIUMPredictable TCP ISNs in EDK II Network PackageEPSS 1.0%