The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.
CVSS Details
- CVSS 3.0 Base Score: 5.9
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade glibc | May 11, 2018 | Aug 1, 2017 |
| Centos_linux | — | Upgrade glibc-staticUpgrade glibc-headersUpgrade nscdUpgrade glibc-debuginfoUpgrade glibc-utilsUpgrade glibc-debuginfo-commonUpgrade glibcUpgrade glibc-develUpgrade glibc-common | Aug 28, 2019 | Aug 1, 2017 |
| Debian | — | Upgrade glibc | Jul 30, 2024 | Aug 1, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade glibc-commonUpgrade glibc-develUpgrade glibcUpgrade glibc-utilsUpgrade nscdUpgrade glibc-staticUpgrade glibc-headers | Sep 12, 2019 | Aug 1, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade glibc-commonUpgrade glibc-headersUpgrade glibc-develUpgrade glibc-staticUpgrade glibcUpgrade nscdUpgrade glibc-utils | Sep 25, 2019 | Aug 1, 2017 |
| Oracle_linux | — | Upgrade nscdUpgrade glibc-commonUpgrade glibc-headersUpgrade glibc-utilsUpgrade glibcUpgrade glibc-staticUpgrade glibc-devel | Apr 19, 2018 | Apr 7, 2017 |
| Redhat_linux | — | Upgrade glibc-debuginfo-commonUpgrade glibc-headersUpgrade glibc-commonNo solution existsUpgrade glibcUpgrade nscdUpgrade glibc-staticUpgrade glibc-develUpgrade glibc-utilsUpgrade glibc-debuginfo | Apr 11, 2018 | Aug 1, 2017 |
| Suse | — | Upgrade glibc-locale-base-32bitUpgrade glibc-locale-baseUpgrade glibc-profileUpgrade glibc-devel-staticUpgrade glibc-htmlUpgrade glibc-x86Upgrade glibc-locale-x86Upgrade glibc-i18ndataUpgrade glibc-localeUpgrade glibc-develUpgrade glibc-infoUpgrade nscdUpgrade glibc-locale-32bitUpgrade glibc-extraUpgrade glibc-langUpgrade glibcUpgrade glibc-profile-x86Upgrade glibc-32bitUpgrade glibc-devel-32bitUpgrade glibc-utilsUpgrade glibc-profile-32bit | Feb 16, 2018 | Aug 1, 2017 |
| Ubuntu | — | Upgrade libc6 (Ubuntu Pro) | Dec 9, 2022 | Aug 1, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 1, 2017 |
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