Anolis OS update for freerdp (Anolis OS 8.5)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-41159 CVE-2021-41160 |
| CWE-ID | CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Anolis OS Operating systems & Components / Operating system libwinpr-devel Operating systems & Components / Operating system package or component libwinpr Operating systems & Components / Operating system package or component freerdp-libs Operating systems & Components / Operating system package or component freerdp Operating systems & Components / Operating system package or component |
| Vendor | OpenAnolis |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write
EUVDB-ID: #VU57585
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-41159
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing /gt:rpc connections. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
libwinpr-devel: before 2.2.0-7
libwinpr: before 2.2.0-7
freerdp-libs: before 2.2.0-7
freerdp: before 2.2.0-7
CPE2.3- cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
- cpe:2.3:a:openanolis:libwinpr-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:libwinpr:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:freerdp-libs:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:freerdp:*:*:*:*:*:anolis_os:*:*
https://anas.openanolis.cn/errata/detail/ANSA-2022:0034
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 write
EUVDB-ID: #VU57584
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-41160
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing connections with GDI or SurfaceCommands. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
libwinpr-devel: before 2.2.0-7
libwinpr: before 2.2.0-7
freerdp-libs: before 2.2.0-7
freerdp: before 2.2.0-7
CPE2.3- cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
- cpe:2.3:a:openanolis:libwinpr-devel:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:libwinpr:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:freerdp-libs:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:a:openanolis:freerdp:*:*:*:*:*:anolis_os:*:*
https://anas.openanolis.cn/errata/detail/ANSA-2022:0034
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.
