Multiple vulnerabilities in EDK2
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-45236 CVE-2023-45237 |
| CWE-ID | CWE-338 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
edk2 Hardware solutions / Firmware |
| Vendor | TianoCore |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
EUVDB-ID: #VU85527
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-45236
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsedk2: edk2-stable201808 - edk2-stable202311
External linkshttp://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
http://www.openwall.com/lists/oss-security/2024/01/16/2
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.
2) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
EUVDB-ID: #VU85528
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-45237
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsedk2: edk2-stable201808 - edk2-stable202311
External linkshttp://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
http://www.openwall.com/lists/oss-security/2024/01/16/2
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
