Risk | High |
Patch available | YES |
Number of vulnerabilities | 6 |
CVE-ID | CVE-2021-28129 CVE-2021-33035 CVE-2021-40439 CVE-2021-41831 CVE-2021-41832 CVE-2021-41830 |
CWE-ID | CWE-276 CWE-119 CWE-776 CWE-347 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
OpenOffice Client/Desktop applications / Office applications |
Vendor | Apache Foundation |
Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
EUVDB-ID: #VU57211
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28129
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions. The DEB package did not install using root, but instead used a userid and groupid of 500. A local user with the same identifier can escalate privileges on the system.
Install updates from vendor's website.
Vulnerable software versionsOpenOffice: 4.1.8
External linkshttp://lists.apache.org/thread.html/rc9090ab48b4699494b63b35cd6d7414c52d665ecae12add3cdc56c9b%40%3Cusers.openoffice.apache.org%3E
http://lists.apache.org/thread.html/rc9090ab48b4699494b63b35cd6d7414c52d665ecae12add3cdc56c9b@%3Cusers.openoffice.apache.org%3E
http://lists.apache.org/thread.html/r9e72234dd662280fa1a3cca6164d3470a1dbc0d8e53e48ba27f787ce@%3Cannounce.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/07/5
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU57210
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-2021-33035
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing dBase/DBF files. A remote attacker can create a specially crafted DBF document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpenOffice: 4.0.0 - 4.1.10
External linkshttp://github.com/apache/openoffice/commit/efddaef0151af3be16078cc4d88c6bae0f911e56#diff-ea66e734dd358922aba12ad4ba39c96bdc6cbde587d07dbc63d04daa0a30e90f
http://lists.apache.org/thread.html/r929c0c6a53cad64a1007b878342756badbb05ddd9b8f31a6d0b424cb@%3Cannounce.apache.org%3E
http://lists.apache.org/thread.html/r1ab8532e11f41bc7ca057ac7e39cab25f2e1f9d5f4929788ae21c8b9@%3Cusers.openoffice.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/07/3
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU57209
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-40439
CWE-ID:
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to dependency on an old expat software version. A remote attacker can trick the victim to open a specially crafted ODF file and perform a denial of service (DoS) attack.
The vulnerability in expat is described as #VU42119 (CVE-2013-0340).
Install updates from vendor's website.
Vulnerable software versionsOpenOffice: 1.1.2 - 4.1.10
External linkshttp://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702%40%3Cusers.openoffice.apache.org%3E
http://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d3e966aa7cc5fada6d@%3Cannounce.apache.org%3E
http://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702@%3Cusers.openoffice.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/07/4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU57208
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41831
CWE-ID:
CWE-347 - Improper Verification of Cryptographic Signature
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a spoofing attack.
The
vulnerability exists due to incorrect signature verification. A remote
attacker can manipulate the timestamp of signed documents.
Install updates from vendor's website.
Vulnerable software versionsOpenOffice: 4.0.0 - 4.1.10
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU57207
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41832
CWE-ID:
CWE-347 - Improper Verification of Cryptographic Signature
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a spoofing attack.
The
vulnerability exists due to incorrect signature verification. A remote
attacker can manipulate signed documents and macros to appear to come
from a trusted source.
Install updates from vendor's website.
Vulnerable software versionsOpenOffice: 4.0.0 - 4.1.10
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU57206
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41830
CWE-ID:
CWE-347 - Improper Verification of Cryptographic Signature
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to incorrect signature verification. A remote attacker can manipulate signed documents and macros to appear to come from a trusted source.
Install updates from vendor's website.
Vulnerable software versionsOpenOffice: 4.0.0 - 4.1.10
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.