Multiple vulnerabilities in OpenAFS



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-18601
CVE-2019-18603
CVE-2019-18602
CWE-ID CWE-502
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 OpenAFS
Server applications / Other server solutions

Vendor OpenAFS.org

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU22553

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18601

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can make a series of VOTE_Debug RPC calls to crash a database server within the "SVOTE_Debug RPC" handler.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenAFS: 1.0 - 1.8.4

CPE2.3 External links

http://lists.debian.org/debian-lts-announce/2019/11/msg00002.html
http://openafs.org/pages/security/OPENAFS-SA-2019-003.txt


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) Information disclosure

EUVDB-ID: #VU22557

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18603

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to uninitialized RPC output variables are sent over the network to a peer. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenAFS: 1.0 - 1.8.4

CPE2.3 External links

http://lists.debian.org/debian-lts-announce/2019/11/msg00002.html
http://openafs.org/pages/security/OPENAFS-SA-2019-001.txt


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) Information disclosure

EUVDB-ID: #VU22555

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18602

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to uninitialized scalars are sent over the network to a peer. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenAFS: 1.0 - 1.8.4

CPE2.3 External links

http://lists.debian.org/debian-lts-announce/2019/11/msg00002.html
http://openafs.org/pages/security/OPENAFS-SA-2019-002.txt


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.



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