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RHSA-2023:0593: Red Hat Security Advisory: libksba security update

An update for libksba is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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-2022-47629: A vulnerability was found in the Libksba library, due to an integer overflow within the CRL’s signature parser. This issue can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
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Issued:

2023-02-06

Updated:

2023-02-06

RHSA-2023:0593 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: libksba security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for libksba is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.

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.

Description

KSBA (pronounced Kasbah) is a library to make X.509 certificates as well as the CMS easily accessible by other applications. Both specifications are building blocks of S/MIME and TLS.

Security Fix(es):

  • libksba: integer overflow to code executiona (CVE-2022-47629)

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.

Affected Products

  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

  • BZ - 2161571 - CVE-2022-47629 libksba: integer overflow to code execution

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1

SRPM

libksba-1.3.5-9.el8_1.src.rpm

SHA-256: cdba5a58bdf1de3665d70e5a519f788269c92bae2254ae749ace008d0050ce6a

ppc64le

libksba-1.3.5-9.el8_1.ppc64le.rpm

SHA-256: 05b1747f6192e407b6ab77da08c696ef3ceb07f720692c93859f54cc49a82127

libksba-debuginfo-1.3.5-9.el8_1.ppc64le.rpm

SHA-256: b01fb5f5a4aaca12cc0318228a276aa92abcf5be99f343d16783acc77f6f0365

libksba-debugsource-1.3.5-9.el8_1.ppc64le.rpm

SHA-256: bd688bcb25cbf6f05043dd94f5767dba97fddcf9a9305048175dac457dc22b94

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1

SRPM

libksba-1.3.5-9.el8_1.src.rpm

SHA-256: cdba5a58bdf1de3665d70e5a519f788269c92bae2254ae749ace008d0050ce6a

x86_64

libksba-1.3.5-9.el8_1.i686.rpm

SHA-256: bb7ed8c059ae9ab2f89809e90886d27651c1fe2d77c30a38efd1a8690c573ac2

libksba-1.3.5-9.el8_1.x86_64.rpm

SHA-256: df30161847cd2e9b6c50355525345b9b63c08366c29a6597d3551ee6b594c86c

libksba-debuginfo-1.3.5-9.el8_1.i686.rpm

SHA-256: 7e56749dc36af76abd2f79d56144352dfdb188148df39b77e3d5b274edc20990

libksba-debuginfo-1.3.5-9.el8_1.x86_64.rpm

SHA-256: cf23841a1dcd21f97dcd66b89e06c66ae9d85046e361bea232b559d0c747a019

libksba-debugsource-1.3.5-9.el8_1.i686.rpm

SHA-256: 0a2865d22087bdea4b0392d4deea1462f104f6a0f38688070cb1694058021807

libksba-debugsource-1.3.5-9.el8_1.x86_64.rpm

SHA-256: e3e2c4ebc76cf4204ad744b6d655873269b057789517d5486175c98dac4e856f

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

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Red Hat Security Advisory 2023-0530-01

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An update for libksba is now available for Red Hat Enterprise Linux 7. 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-2022-47629: libksba: integer overflow to code execution

Ubuntu Security Notice USN-5787-2

Ubuntu Security Notice 5787-2 - USN-5787-1 fixed vulnerabilities in Libksba. This update provides the corresponding updates for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM. It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice USN-5787-1

Ubuntu Security Notice 5787-1 - It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code.

Gentoo Linux Security Advisory 202212-07

Gentoo Linux Security Advisory 202212-7 - An integer overflow vulnerability has been found in libksba which could result in remote code execution. Versions less than 1.6.3 are affected.

Debian Security Advisory 5305-1

Debian Linux Security Advisory 5305-1 - An integer overflow flaw was discovered in the CRL signature parser in libksba, an X.509 and CMS support library, which could result in denial of service or the execution of arbitrary code.

CVE-2022-47629: ⚓ T6284 Another integer overflow in Libksba

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.