Ubuntu update for tpm2-tss

Published: 2024-05-29

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-22745 CVE-2024-29040
CWE-ID	CWE-119 CWE-345
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system libtss2-esys0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tctildr0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-swtpm0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-spi-helper0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-pcap0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-mssim0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-libtpms0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-device0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-cmd0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-sys1 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-rc0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-policy0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-mu0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-fapi1 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-esys-3.0.2-0 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tctildr0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-swtpm0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-spi-helper0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-pcap0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-mssim0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-libtpms0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-device0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-tcti-cmd0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-sys1t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-rc0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-policy0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-mu-4.0.1-0t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-fapi1t64 (Ubuntu package) Operating systems & Components / Operating system package or component libtss2-esys-3.0.2-0t64 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU71458

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-2023-22745

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 "Tss2_RC_SetHandler" and "Tss2_RC_Decode". A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package tpm2-tss to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.04

libtss2-esys0 (Ubuntu package): before 2.3.2-1ubuntu0.20.04.2

libtss2-tctildr0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-tcti-swtpm0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-tcti-spi-helper0 (Ubuntu package): before 4.0.1-3ubuntu1.1

libtss2-tcti-pcap0 (Ubuntu package): before 4.0.1-3ubuntu1.1

libtss2-tcti-mssim0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-tcti-libtpms0 (Ubuntu package): before 4.0.1-3ubuntu1.1

libtss2-tcti-device0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-tcti-cmd0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-sys1 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-rc0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-policy0 (Ubuntu package): before 4.0.1-3ubuntu1.1

libtss2-mu0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-fapi1 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-esys-3.0.2-0 (Ubuntu package): before 3.2.0-1ubuntu1.1

libtss2-tctildr0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-swtpm0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-spi-helper0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-pcap0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-mssim0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-libtpms0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-device0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-tcti-cmd0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-sys1t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-rc0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-policy0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-mu-4.0.1-0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-fapi1t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

libtss2-esys-3.0.2-0t64 (Ubuntu package): before 4.0.1-7.1ubuntu5.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-6796-1

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) Insufficient verification of data authenticity

EUVDB-ID: #VU89838

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-29040

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to missing checks for the magic number. A local user can generate arbitrary quote data, which may not be detected by Fapi_VerifyQuote.