Multiple vulnerabilities in Nextcloud ios

1) Input validation error

EUVDB-ID: #VU44111

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0338

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish SSH connections from arbitrary source IP addresses via a standard SSH client, aka Bug ID CSCsv86113.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.2 - 15.0

CPE2.3

• cpe:2.3:a:nextcloud:ios:12.2:*:*:*:*:*:*:*
• cpe:2.3:a:nextcloud:ios:12.3:*:*:*:*:*:*:*
• cpe:2.3:a:nextcloud:ios:12.4:*:*:*:*:*:*:*

External links

https://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXH_rebuilds.html
https://www.securitytracker.com/id?1027005
https://supportforums.cisco.com/thread/2030226

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) Input validation error

EUVDB-ID: #VU44112

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0339

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.2 - 15.0

CPE2.3

• cpe:2.3:a:nextcloud:ios:12.2:*:*:*:*:*:*:*
• cpe:2.3:a:nextcloud:ios:12.3:*:*:*:*:*:*:*
• cpe:2.3:a:nextcloud:ios:12.4:*:*:*:*:*:*:*

External links

https://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html
https://www.securitytracker.com/id?1027005

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) Input validation error

EUVDB-ID: #VU44114

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-2586

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed HTTP response to a request for service installation, aka Bug ID CSCts12249.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.4 - 15.0

CPE2.3

• cpe:2.3:a:nextcloud:ios:12.4:*:*:*:*:*:*:*
• cpe:2.3:a:nextcloud:ios:15.0:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/viewAlert.x?alertId=24436
https://www.securitytracker.com/id?1027005

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.