Multiple vulnerabilities in OpenAFS

Published: 2013-03-14 | Updated: 2020-08-11

Risk	Medium
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2013-1795 CVE-2013-1794
CWE-ID	CWE-122 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	OpenAFS Server applications / Other server solutions
Vendor	OpenAFS.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU43003

Risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2013-1795

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Integer overflow in ptserver in OpenAFS before 1.6.2. A remote attacker can use a large list from the IdToName RPC to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OpenAFS: 1.5.10 - 1.6.0

CPE2.3

External links

http://secunia.com/advisories/52342
http://secunia.com/advisories/52480
http://www.debian.org/security/2013/dsa-2638
http://www.mandriva.com/security/advisories?name=MDVSA-2014:244
http://www.openafs.org/pages/security/OPENAFS-SA-2013-002.txt
http://www.securityfocus.com/bid/58300
http://exchange.xforce.ibmcloud.com/vulnerabilities/82585

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) Buffer overflow

EUVDB-ID: #VU43004

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-1794

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote #AU# to read and manipulate data.

Buffer overflow in certain client utilities in OpenAFS before 1.6.2 allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a long fileserver ACL entry.