CVE-2018-14622

moderate-risk
Published 2018-08-30

A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.

Do I need to act?

~
2.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (12)

Libtirpc

Affected Vendors

Debian Redhat Canonical Libtirpc Project

References (14)

http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a3...
Third Party Advisory https://access.redhat.com/errata/RHBA-2017:1991
Issue Tracking https://bugzilla.novell.com/show_bug.cgi?id=968175
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622
Mailing List https://lists.debian.org/debian-lts-announce/2018/08/msg00034.html
Third Party Advisory https://usn.ubuntu.com/3759-1/
Third Party Advisory https://usn.ubuntu.com/3759-2/
http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a3...
Third Party Advisory https://access.redhat.com/errata/RHBA-2017:1991
Issue Tracking https://bugzilla.novell.com/show_bug.cgi?id=968175
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622
Mailing List https://lists.debian.org/debian-lts-announce/2018/08/msg00034.html
Third Party Advisory https://usn.ubuntu.com/3759-1/
Third Party Advisory https://usn.ubuntu.com/3759-2/
48
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 5/34 · Minimal
Exposure 17/34 · Moderate