- Issued:
- 2023-06-21
- Updated:
- 2023-06-21
RHSA-2023:3741 - Important: c-ares security update
Synopsis
Important: c-ares security update
Type/Severity
Security Advisory Important
Topic
An update for c-ares 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.
Description
The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.
Security Fix(es):
- c-ares: 0-byte UDP payload Denial of Service (CVE-2023-32067)
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.
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
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for Scientific Computing | 7 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux for Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 7 | s390x |
| Red Hat Enterprise Linux Workstation | 7 | x86_64 |
| Red Hat Enterprise Linux Server | 7 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 7 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 7 | s390x |
| Red Hat Enterprise Linux Desktop | 7 | x86_64 |
Updated Packages
- c-ares-1.10.0-3.el7_9.1.s390x.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.ppc.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
- c-ares-devel-1.10.0-3.el7_9.1.ppc.rpm
- c-ares-devel-1.10.0-3.el7_9.1.s390x.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.s390.rpm
- c-ares-devel-1.10.0-3.el7_9.1.s390.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
- c-ares-1.10.0-3.el7_9.1.src.rpm
- c-ares-devel-1.10.0-3.el7_9.1.i686.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.s390x.rpm
- c-ares-1.10.0-3.el7_9.1.s390.rpm
- c-ares-devel-1.10.0-3.el7_9.1.ppc64.rpm
- c-ares-1.10.0-3.el7_9.1.x86_64.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.ppc64le.rpm
- c-ares-1.10.0-3.el7_9.1.ppc64.rpm
- c-ares-devel-1.10.0-3.el7_9.1.ppc64le.rpm
- c-ares-1.10.0-3.el7_9.1.ppc.rpm
- c-ares-1.10.0-3.el7_9.1.i686.rpm
- c-ares-1.10.0-3.el7_9.1.ppc64le.rpm
- c-ares-devel-1.10.0-3.el7_9.1.x86_64.rpm
- c-ares-debuginfo-1.10.0-3.el7_9.1.ppc64.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.