CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, при специфични условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory. With the leaked key material, the attacker could forge arbitrary MUNGE credentials to impersonate any user (including root) to services that rely on MUNGE for authentication. The vulnerability allows a buffer overflow by sending a crafted message with an oversized address length field, corrupting munged's internal state and enabling extraction of the MAC subkey used for credential verification. This vulnerability is fixed in 0.5.18.
Засегнати продукти
- dun munge: >= 0.5, < 0.5.18
Red Hat: още 17 продукта, добавени от Red Hat
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Enterprise Linux 9.6 Extended Update Support, Red Hat AI Inference Server 3.3
Вид слабост
История
- 10 февруари 2026 Публикувано
Други уязвимости в dun munge
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-25506
- https://nvd.nist.gov/vuln/detail/CVE-2026-25506
- https://github.com/dun/munge/security/advisories/GHSA-r9cr-jf4v-75gh
- https://github.com/dun/munge/commit/bf40cc27c4ce8451d4b062c9de0b67ec40894812
- https://github.com/dun/munge/releases/tag/munge-0.5.18
- http://www.openwall.com/lists/oss-security/2026/02/10/3
- https://lists.debian.org/debian-lts-announce/2026/02/msg00015.html
- http://www.openwall.com/lists/oss-security/2026/02/17/6
- https://access.redhat.com/security/cve/CVE-2026-25506
- https://bugzilla.redhat.com/show_bug.cgi?id=2438715
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25506.json
- https://access.redhat.com/errata/RHSA-2026:2954
- https://access.redhat.com/errata/RHSA-2026:3033
- https://access.redhat.com/errata/RHSA-2026:3032
- https://access.redhat.com/errata/RHSA-2026:3011
- https://access.redhat.com/errata/RHSA-2026:3010
- https://access.redhat.com/errata/RHSA-2026:3013
- https://access.redhat.com/errata/RHSA-2026:3012
- https://access.redhat.com/errata/RHSA-2026:2949
- https://access.redhat.com/errata/RHSA-2026:2934
- https://access.redhat.com/errata/RHSA-2026:2923
- https://access.redhat.com/errata/RHSA-2026:2918
- https://access.redhat.com/errata/RHSA-2026:3034
- https://access.redhat.com/errata/RHSA-2026:16174