Vulnerability identifier: #VU2752
Vulnerability risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
RPCBind
Universal components / Libraries /
Libraries used by multiple products
Vendor: linux-nfs.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to use-after-free error in xprt_set_caller() function in rpcb_svc_com.c in rpcbind 0.2.1 and earlier. A remote attacker can cause a denial of service (daemon crash) via specially crafted packets that involve PMAP_CALLIT code.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install patch from vendor's website.
Vulnerable software versions
RPCBind: 0.1.4 - 0.2.1
External links
http://www.spinics.net/lists/linux-nfs/msg53045.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.