Security
Headlines
HeadlinesLatestCVEs

Headline

Red Hat Security Advisory 2023-3725-01

Red Hat Security Advisory 2023-3725-01 - The “less” utility is a text file browser that resembles "more", but allows users to move backwards in the file as well as forwards. Since “less” does not read the entire input file at startup, it also starts more quickly than ordinary text editors.

Packet Storm
#vulnerability#linux#red_hat#js

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: less security update
Advisory ID: RHSA-2023:3725-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3725
Issue date: 2023-06-21
CVE Names: CVE-2022-46663
=====================================================================

  1. Summary:

An update for less is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

  1. Description:

The “less” utility is a text file browser that resembles "more", but allows
users to move backwards in the file as well as forwards. Since “less” does
not read the entire input file at startup, it also starts more quickly than
ordinary text editors.

Security Fix(es):

  • less: crafted data can result in “less -R” not filtering ANSI escape
    sequences sent to the terminal (CVE-2022-46663)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

  1. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

  1. Bugs fixed (https://bugzilla.redhat.com/):

2169621 - CVE-2022-46663 less: crafted data can result in “less -R” not filtering ANSI escape sequences sent to the terminal

  1. Package List:

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
less-590-2.el9_2.src.rpm

aarch64:
less-590-2.el9_2.aarch64.rpm
less-debuginfo-590-2.el9_2.aarch64.rpm
less-debugsource-590-2.el9_2.aarch64.rpm

ppc64le:
less-590-2.el9_2.ppc64le.rpm
less-debuginfo-590-2.el9_2.ppc64le.rpm
less-debugsource-590-2.el9_2.ppc64le.rpm

s390x:
less-590-2.el9_2.s390x.rpm
less-debuginfo-590-2.el9_2.s390x.rpm
less-debugsource-590-2.el9_2.s390x.rpm

x86_64:
less-590-2.el9_2.x86_64.rpm
less-debuginfo-590-2.el9_2.x86_64.rpm
less-debugsource-590-2.el9_2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

  1. References:

https://access.redhat.com/security/cve/CVE-2022-46663
https://access.redhat.com/security/updates/classification/#moderate

  1. Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQIVAwUBZJNwxNzjgjWX9erEAQj9EA//dqVtURZzSi0ajBcFQSoa2mJ8MSi5uUw/
IsHIsb+iC2jVptQwXwTo3SInGQxQnDKoCVivptZbuhHG6Mu/FzzgvdpBNykTnZ1v
rjSGnuI9mLMzNLesm9hs+Gr2Wxt6P7EtqBTku0ZXGAlzUA8V7bwW581yxucYodWL
A5IJ44cWQvWgSoXDCVuVptxfYRw2dl9hp6cm5n0L2usYLA8MKkpayDu+Qub3Jn+5
9MoJc8iBFzfriZBk4CkP2/JPbMtWoBl0AFH7Wu67twwwe0pP4sh9jSYdDoXd75ps
M1VKLzmxgQPYwD0u7bkDBvwQohkA7akaksC/NGTeXD/Eznyvfr9V24VCXNBDRxMZ
0CqPYrvMfsfTxZ0pSuZhe/W9tFNKelmwCKoNOcLTtCqwhcaCzWpzHHsfe2bYrBfW
7m0GFzVXbDNky6TICCK8fpEnmmdstXcYJtvp9fW1S4wRqAxKYROlb88JnxApFwBk
Xcyv2ZODOjln5Kb8eiUhQQcB1UwzRDpUS9hXr9mOBc/ZO1x9Yx3N3vUyT2k1MfFZ
RHq1iWqJZHSRYIvQn2On9JAKaAz3zh7QsDmYn0umWoljRq9yrdiY3eWc4R9I7Ity
kkQ8AlKfzqwjS1SWIxNj+C5smmXL8GSORJdUdveXTMmuucpL0Oyk7KjThbQYoT/j
PhxBRqKsdSc=
=vBsz
-----END PGP SIGNATURE-----

RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Related news

CVE-2023-39726: ""?! ANSI Terminal security in 2023 and finding 10 CVEs

An issue in Mintty v.3.6.4 and before allows a remote attacker to execute arbitrary code via crafted commands to the terminal.

Gentoo Linux Security Advisory 202310-11

Gentoo Linux Security Advisory 202310-11 - A filtering bypass in less may allow denial of service. Versions greater than or equal to 608-r2 are affected.

Red Hat Security Advisory 2023-4664-01

Red Hat Security Advisory 2023-4664-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization 4.13.3 images. Issues addressed include a denial of service vulnerability.

RHSA-2023:4664: Red Hat Security Advisory: OpenShift Virtualization 4.13.3 Images security and bug fix update

Red Hat OpenShift Virtualization release 4.13.3 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41723: A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of requests. * CVE-2023-3089: A compliance problem was found in the Red Hat OpenShift Con...

RHSA-2023:4437: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.13.1 security and bug fix update

Updated images that fix several bugs are now available for Red Hat OpenShift Data Foundation 4.13.1 on Red Hat Enterprise Linux 8 from Red Hat Container Registry. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-3089: A compliance problem was found in the Red Hat OpenShift Container Platform. Red Hat discovered that, when FIPS mode was enabled, not all of the cryptographic modules in use were FIPS-validated.

Red Hat Security Advisory 2023-4226-01

Red Hat Security Advisory 2023-4226-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.13.6.

RHSA-2023:4226: Red Hat Security Advisory: OpenShift Container Platform 4.13.6 bug fix and security update

Red Hat OpenShift Container Platform release 4.13.6 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.13. Red Hat Product Security has rated this update as having a security impact of [impact]. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41723: A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number...

Red Hat Security Advisory 2023-4091-01

Red Hat Security Advisory 2023-4091-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.13.5. Issues addressed include a denial of service vulnerability.

RHSA-2023:4091: Red Hat Security Advisory: OpenShift Container Platform 4.13.5 security update

Red Hat OpenShift Container Platform release 4.13.5 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.13. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41717: A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server c...

Red Hat Security Advisory 2023-3925-01

Red Hat Security Advisory 2023-3925-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.12.23.

RHSA-2023:3925: Red Hat Security Advisory: Red Hat OpenShift Enterprise security update

Red Hat OpenShift Container Platform release 4.12.23 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-3089: A compliance problem was found in the Red Hat OpenShift Container Platform. Red Hat discovered that, when FIPS mode was enabled, not all of the cryptographic modules in use were FIPS-...

RHSA-2023:3725: Red Hat Security Advisory: less security update

An update for less is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-46663: A vulnerability was found in less. This flaw allows crafted data to result in "less -R" not filtering ANSI escape sequences sent to the terminal.

Ubuntu Security Notice USN-5848-1

Ubuntu Security Notice 5848-1 - David Leadbeater discovered that less was not properly handling escape sequences when displaying raw control characters. A maliciously formed OSC 8 hyperlink could possibly be used by an attacker to cause a denial of service.

CVE-2022-46663: End OSC8 hyperlink on invalid embedded escape sequence. · gwsw/less@a78e135

In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.

Packet Storm: Latest News

Ivanti EPM Remote Code Execution