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CVE-2026-93394

Опубликовано: 17 сент. 2026
Источник: ubuntu
Приоритет: medium
CVSS3: 3.7

Описание

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

РелизСтатусПримечание
devel

not-affected

2.5.0-1
esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

stonking

not-affected

2.5.0-1
upstream

released

2.4.0-1

Показывать по

3.7 Low

CVSS3

Связанные уязвимости

CVSS3: 5.9
redhat
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

CVSS3: 3.7
nvd
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

CVSS3: 3.7
debian
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the c ...

CVSS3: 3.7
redos
4 дня назад

Множественные уязвимости mongo-c-driver

CVSS3: 3.7
redos
4 дня назад

Множественные уязвимости mongo-c-driver

3.7 Low

CVSS3