Multiple vulnerabilities in OpenText Brava! Desktop
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-31503 CVE-2021-31504 CVE-2021-31506 |
| CWE-ID | CWE-824 CWE-822 CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Brava! Desktop Client/Desktop applications / Other client software |
| Vendor |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Access of Uninitialized Pointer
EUVDB-ID: #VU54113
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-31503
CWE-ID:
CWE-824 - Access of Uninitialized Pointer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to boundary error within the parsing of IGS files. A remote attacker can create a specially crafted IGS file, trick the victim into opening it, access the uninitialized pointer and execute arbitrary code on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBrava! Desktop: before 16.6.4.92
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-21-645/
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) Untrusted Pointer Dereference
EUVDB-ID: #VU54114
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-31504
CWE-ID:
CWE-822 - Untrusted Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to boundary error when parsing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger untrusted pointer dereference and execute arbitrary code on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBrava! Desktop: before 16.6.4.92
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-21-646/
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: #VU54115
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-31506
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 parsing of PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBrava! Desktop: before 16.6.4.92
External linkshttp://www.zerodayinitiative.com/advisories/ZDI-21-647/
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.
