CVE-2021-46828CWE-755CWE-835

CVE-2021-46828

High · published July 20, 2022

CVSS v3.1
7.5
EPSS
3%
Percentile
88.1
In the wild
Unconfirmed
What it is

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.03204 · 88.1th percentile
Weaknesses
CWE-755 · Improper Handling of Exceptional Conditions; CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2022-07-20T10:15Z
Affected products (3)
ProductVersionsFixed in
libtirpc_project/libtirpc< 1.3.31.3.3
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (13)
https://lists.debian.org/debian-lts-announce/2022/08/msg00004.html · af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202210-33 · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20221007-0004/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5200 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-558014.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-561322.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttp://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=86529758570cef4c73fb9b9c4104fdc510f701ed · [email protected]https://lists.debian.org/debian-lts-announce/2022/08/msg00004.html · [email protected]https://security.gentoo.org/glsa/202210-33 · [email protected]https://security.netapp.com/advisory/ntap-20221007-0004/ · [email protected]https://www.debian.org/security/2022/dsa-5200 · [email protected]http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=86529758570cef4c73fb9b9c4104fdc510f701ed · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 20 JUL 00:00Z
    In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled
    cvelistv5