Multiple vulnerabilities in FreeRDP
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 7 |
| CVE-ID | CVE-2022-39317 CVE-2022-39318 CVE-2022-39319 CVE-2022-39320 CVE-2022-41877 CVE-2022-39347 CVE-2022-39316 |
| CWE-ID | CWE-129 CWE-369 CWE-125 CWE-36 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FreeRDP Universal components / Libraries / Libraries used by multiple products |
| Vendor | FreeRDP |
Security Bulletin
This security bulletin contains information about 7 vulnerabilities.
1) Improper Validation of Array Index
EUVDB-ID: #VU69592
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39317
CWE-ID:
CWE-129 - Improper Validation of Array Index
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a missing range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.
Successful exploitation of the vulnerability may allows remote code execution.
Install updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh
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) Division by zero
EUVDB-ID: #VU69593
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39318
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a division by zero error in urbdrc channel. A malicious server can pass specially crafted data to the application and crash it.
Install update from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-387j-8j96-7q35
http://github.com/FreeRDP/FreeRDP/commit/80adde17ddc4b596ed1dae0922a0c54ab3d4b8ea
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.
3) Out-of-bounds read
EUVDB-ID: #VU69591
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39319
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in urbdrc channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mvxm-wfj2-5fvh
http://github.com/FreeRDP/FreeRDP/commit/11555828d2cf289b350baba5ad1f462f10b80b76
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) Out-of-bounds read
EUVDB-ID: #VU69589
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39320
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the urbdrc channel. A malicious server can trick the FreeRDP based client to read out of bound data and send it back to the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qfq2-82qr-7f4j
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.
5) Out-of-bounds read
EUVDB-ID: #VU69590
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-41877
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the drive channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server.
Install updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pmv3-wpw4-pw5h
http://github.com/FreeRDP/FreeRDP/commit/6655841cf2a00b764f855040aecb8803cfc5eaba
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.
6) Absolute Path Traversal
EUVDB-ID: #VU69588
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39347
CWE-ID:
CWE-36 - Absolute Path Traversal
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing path canonicalization and base path check for drive channel. A malicious server can trick the FreeRDP client to read files outside the shared directory.
Install updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c5xq-8v35-pffg
http://github.com/FreeRDP/FreeRDP/commit/027424c2c6c0991cb9c22f9511478229c9b17e5d
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.
7) Out-of-bounds read
EUVDB-ID: #VU69594
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-39316
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.
Successful exploitation of the vulnerability may allows remote code execution.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.8.1
External linkshttp://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
http://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5w4j-mrrh-jjrm
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.
