Home/CVE/A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt
CVE

CVE-2018-14622

A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt

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.

HIGH · CVSS 7.5 EPSS 0.02344
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-252Unchecked Return Value
CWE-252Unchecked Return Value
▤

Affected Products & Versions

8
libtirpc project libtirpc< 0.3.3
canonical ubuntu linuxall versions
debian linuxall versions
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux workstationall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Aug 2018 · 01:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2018:3146-1
usnUSN-3759-2
usnUSN-3759-1
rhsaRHBA-2017:1991Low
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.linux-nfs.org/?p=steved/libtirpc.git
https://bugzilla.novell.com/show_bug.cgi?id=968175Issue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00034.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3759-1/Third Party Advisory
https://usn.ubuntu.com/3759-2/Third Party Advisory
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