REDHAT-BUG-2209497
First published: Wed May 24 2023(Updated: )
ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular "0::00:00:00/2" was found to cause an issue. C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). <a href="https://access.redhat.com/security/cve/CVE-2023-31130">CVE-2023-31130</a>. Moderate. Buffer Underwrite in ares_inet_net_pton() (<a href="https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v">https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v</a>)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| C-ares |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-31130
- https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209542
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209543
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209539
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209548
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209545
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209546
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209540
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209541
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2209547
- https://access.redhat.com/errata/RHSA-2023:3577
- https://access.redhat.com/errata/RHSA-2023:3586
- https://access.redhat.com/errata/RHSA-2023:4036
- https://access.redhat.com/errata/RHSA-2023:4039
- https://access.redhat.com/errata/RHSA-2023:4035
- https://access.redhat.com/errata/RHSA-2023:4034
- https://access.redhat.com/errata/RHSA-2023:4033
- https://access.redhat.com/errata/RHSA-2023:6635
- https://access.redhat.com/errata/RHSA-2023:7207
- https://access.redhat.com/errata/RHSA-2023:7392
- https://access.redhat.com/errata/RHSA-2023:7543
- https://bugzilla.redhat.com/show_bug.cgi?id=2209497
Frequently Asked Questions
What is the severity of REDHAT-BUG-2209497?
The severity of REDHAT-BUG-2209497 is considered critical due to the potential for buffer underflow in specific IPv6 address configurations.
How do I fix REDHAT-BUG-2209497?
To fix REDHAT-BUG-2209497, ensure that the C-ares library is updated to the latest version that addresses this vulnerability.
Is my system affected by REDHAT-BUG-2209497?
Your system may be affected by REDHAT-BUG-2209497 if it is running a vulnerable version of the C-ares library and has specific IPv6 addresses configured.
What are the risks associated with REDHAT-BUG-2209497?
The risks associated with REDHAT-BUG-2209497 include potential exploitation that could lead to unauthorized access or manipulation of affected systems.
What type of vulnerability is REDHAT-BUG-2209497?
REDHAT-BUG-2209497 is a buffer underflow vulnerability that affects the ares_inet_net_pton() function in the C-ares library.
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