Ubuntu update for freerdp2



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2024-32458
CVE-2024-32459
CVE-2024-32659
CVE-2024-32660
CWE-ID CWE-125
CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

libfreerdp2-2t64 (Ubuntu package)
Operating systems & Components / Operating system package or component

libfreerdp-server2-2t64 (Ubuntu package)
Operating systems & Components / Operating system package or component

libfreerdp-client2-2t64 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU88848

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-2024-32458

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 planar_skip_plane_rle. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package freerdp2 to the latest version.

Vulnerable software versions

Ubuntu: 24.04

libfreerdp2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-server2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-client2-2t64 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7371-1


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) Out-of-bounds read

EUVDB-ID: #VU88849

Risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2024-32459

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

Exploit availability: Yes

Description

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

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

Mitigation

Update the affected package freerdp2 to the latest version.

Vulnerable software versions

Ubuntu: 24.04

libfreerdp2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-server2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-client2-2t64 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7371-1


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. However, proof of concept for this vulnerability is available.

3) Out-of-bounds read

EUVDB-ID: #VU88943

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-2024-32659

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 freerdp_image_copy. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package freerdp2 to the latest version.

Vulnerable software versions

Ubuntu: 24.04

libfreerdp2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-server2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-client2-2t64 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7371-1


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.

4) Buffer overflow

EUVDB-ID: #VU88945

Risk: Medium

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

CVE-ID: CVE-2024-32660

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Update the affected package freerdp2 to the latest version.

Vulnerable software versions

Ubuntu: 24.04

libfreerdp2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-server2-2t64 (Ubuntu package): before Ubuntu Pro

libfreerdp-client2-2t64 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7371-1


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.



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