Fedora 36 update for libtpms



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-1017
CVE-2023-1018
CWE-ID CWE-787
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

libtpms
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU72706

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-1017

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Upgrade libtpms to version 0.9.6-1.fc36.

Vulnerable software versions

Fedora: 36

libtpms: before 0.9.6-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-4afddd37a9


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.

2) Out-of-bounds read

EUVDB-ID: #VU72707

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-1018

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Upgrade libtpms to version 0.9.6-1.fc36.

Vulnerable software versions

Fedora: 36

libtpms: before 0.9.6-1.fc36

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-4afddd37a9


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.



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