CVE-2026-76578
Ipa: freeipa: freeipa: unauthenticated ldap client can obtain administrator credentials via the self-managed-token aci
Что произошло
A flaw was found in FreeIPA. The self-managed OTP token ACI does not require authentication and does not restrict which attributes may be added alongside the token entry. An unauthenticated LDAP client can exploit this, combined with a related flaw in the underlying directory server's ACI evaluation (tracked separately), to create an arbitrary attacker-controlled Kerberos principal and have it added to the administrators group. This allows a remote, unauthenticated attacker to obtain genuine FreeIPA administrator-group membership and perform administrative operations against the directory and, on SID-enabled deployments, other IdM services.
Что это значит
В источнике описана ошибка безопасности в перечисленных продуктах. Фактический риск зависит от установленной версии, конфигурации и доступности компонента; проверьте условия в первичном бюллетене.
Что делать
1. Проверьте, затронуты ли вы
Соберите инвентаризацию и сравните с таблицей затронутых версий. Эти команды только показывают установленные компоненты и сами по себе не доказывают наличие CVE.
dpkg-query -W -f='${Package} ${Version}\n'rpm -qa --qf '%{NAME}\t%{VERSION}-%{RELEASE}\n'Get-HotFix | Select-Object HotFixID, InstalledOn
2. Установите исправление
Сверьте точный продукт и версию с бюллетенем вендора. Установите указанное в нём исправление после резервного копирования и проверки совместимости. Подтверждённая целевая версия в источниках отсутствует.
3. Временные меры
Until a fixed package is available, restrict network access to the LDAP service (typically ports 389/636) to trusted hosts only, using firewall rules or network segmentation. Disabling anonymous LDAP binds blocks this specific attack path, though administrators should confirm this does not break other required anonymous-bind functionality in their deployment before applying it.
4. Проверьте следы эксплуатации
Проверьте аномальные входы, новые учётные записи, ошибки и необычные дочерние процессы в затронутом сервисе. Публичные проверенные правила обнаружения не включены в запись; отсутствие сигналов не доказывает отсутствие компрометации.
5. После исправления
- Проверьте фактическую версию и результат установки по бюллетеню.
- При необходимости перезапустите сервисы в согласованное окно.
- Повторите проверку сканером и функциональные проверки.
- Зафиксируйте результат, дату, владельца и оставшийся риск.
Продукты и затронутые версии
Red Hat / Red Hat Enterprise Linux 10
{
"status": "unaffected",
"version": "0:4.13.4-1.el10_2",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux:10.2
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
{
"status": "unaffected",
"version": "0:4.12.2-15.el10_0.7",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
{
"status": "unaffected",
"version": "0:4.6.8-5.el7_9.25",
"lessThan": "*",
"versionType": "rpm"
}cpe:/o:redhat:rhel_els:7
Red Hat / Red Hat Enterprise Linux 8
{
"status": "unaffected",
"version": "8100020261007071200.143e9e98",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat / Red Hat Enterprise Linux 8
{
"status": "unaffected",
"version": "8100020261007070536.823393f5",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
{
"status": "unaffected",
"version": "8040020261027121250.f153676a",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
{
"status": "unaffected",
"version": "8040020261027121355.5b01ab7e",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
{
"status": "unaffected",
"version": "8040020261027121250.f153676a",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
{
"status": "unaffected",
"version": "8040020261027121355.5b01ab7e",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.4::appstream
cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
{
"status": "unaffected",
"version": "8060020261008134123.c1533a64",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
{
"status": "unaffected",
"version": "8060020261008133528.ada582f1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
{
"status": "unaffected",
"version": "8060020261008134123.c1533a64",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
{
"status": "unaffected",
"version": "8060020261008133528.ada582f1",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
{
"status": "unaffected",
"version": "8080020261007080925.e581a9e4",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
{
"status": "unaffected",
"version": "8080020261007071832.b0a6ceea",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
{
"status": "unaffected",
"version": "8080020261007080925.e581a9e4",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
{
"status": "unaffected",
"version": "8080020261007071832.b0a6ceea",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat / Red Hat Enterprise Linux 9
{
"status": "unaffected",
"version": "0:4.13.4-1.el9_8",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::crb
Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
{
"status": "unaffected",
"version": "0:4.10.1-12.el9_2.7",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat / Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
{
"status": "unaffected",
"version": "0:4.11.0-15.el9_4.9",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
{
"status": "unaffected",
"version": "0:4.12.2-14.el9_6.8",
"lessThan": "*",
"versionType": "rpm"
}cpe:/a:redhat:rhel_eus:9.6::appstream
cpe:/a:redhat:rhel_eus:9.6::crb
Red Hat / Red Hat Enterprise Linux 6
cpe:/o:redhat:rhel_els:6
CVSS: оценки и векторы
CVSS 3.1 · cve9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 · secalert@redhat.com9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 · ghsa9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Источники и ссылки
Происхождение полей
{
"cwes": [
"cve",
"ghsa",
"nvd"
],
"epss": {
"source": "epss",
"received_at": "2026-11-04T21:19:57.502133+00:00"
},
"title": {
"source": "cve",
"received_at": "2026-11-04T23:37:58.289371+00:00"
},
"scores": [
"cve",
"ghsa",
"nvd"
],
"status": {
"source": "cve",
"received_at": "2026-11-04T23:37:58.289371+00:00"
},
"affected": [
"cve"
],
"published": {
"source": "cve",
"received_at": "2026-11-04T23:37:58.289371+00:00"
},
"solutions": [],
"percentile": {
"source": "epss",
"received_at": "2026-11-04T21:19:57.502133+00:00"
},
"references": [
"cve",
"ghsa",
"nvd"
],
"description": {
"source": "cve",
"received_at": "2026-11-04T23:37:58.289371+00:00"
},
"workarounds": [
"cve"
],
"configurations": []
}Хронология записи
- Данные обновлены05.11.2026, 02:37
- Данные обновлены05.11.2026, 00:19
- Данные обновлены04.11.2026, 00:15
- Данные обновлены03.11.2026, 00:14
- Данные обновлены02.11.2026, 06:34
- Данные обновлены02.11.2026, 00:12
- Данные обновлены31.10.2026, 11:59
- Данные обновлены30.10.2026, 20:46
- Данные обновлены29.10.2026, 00:06
- Данные обновлены28.10.2026, 18:06
- Данные обновлены28.10.2026, 17:59
- Опубликована28.10.2026, 15:15
Личная заметка и статус
Другие CVE того же продукта
| УЯЗВИМОСТЬ / ПРОДУКТ | ПРИОРИТЕТ | CVSS | EPSS | СИГНАЛЫ | ОПУБЛИКОВАНА | Карточка |
|---|---|---|---|---|---|---|
| CVE-2026-78002 Rsyslog: rsyslog: denial of service via heap buffer overflow in rainerscript replace() function Red Hat / Red Hat Enterprise Linux 10 · Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support | Высокий | 7.5 | 1,06 % | 27.08.2026 | ||
| CVE-2026-76561 Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile content (externalprocessconstraint) Red Hat / Red Hat Enterprise Linux 10 · Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support | Высокий | 7.2 | 0,75 % | 08.09.2026 | ||
| CVE-2026-76560 389-ds-base: 389-ds: anonymous ldap client can defeat selfdn aci bind-rule checks via empty bind dn Red Hat / Red Hat Directory Server 11.5 E4S for RHEL 8 · Red Hat / Red Hat Directory Server 11.7 E4S for RHEL 8 | Высокий | 7.5 | 0,56 % | 07.09.2026 | ||
| CVE-2026-74860 Libxml2: double-free/uaf in libxml2 python bindings Red Hat / Red Hat Enterprise Linux 10 · Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support | Высокий | 8.5 | 0,66 % | 08.09.2026 | ||
| CVE-2026-71217 Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion Red Hat / Red Hat Enterprise Linux 10 · Red Hat / Red Hat Enterprise Linux 8 | Высокий | 7.5 | 0,64 % | 11.08.2026 |