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CVE-2017-15702

CRITICALCVSS 9.8/10EPSS 6.21%

Last modified

CVE-2017-15702 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Apache Qpid Broker-J 0.18 through 0.32, if the broker is configured with different authentication providers on different ports one of which is an HTTP port, then the broker can be tricked by a remote unauthenticated attacker connecting to the HTTP port into using an authentication provider that was configured on a different port. The attacker still needs valid credentials with the authentication provider on the spoofed port. EPSS estimates a 6.21% chance of exploitation in the next 30 days.

Description

In Apache Qpid Broker-J 0.18 through 0.32, if the broker is configured with different authentication providers on different ports one of which is an HTTP port, then the broker can be tricked by a remote unauthenticated attacker connecting to the HTTP port into using an authentication provider that was configured on a different port. The attacker still needs valid credentials with the authentication provider on the spoofed port. This becomes an issue when the spoofed port has weaker authentication protection (e.g., anonymous access, default accounts) and is normally protected by firewall rules or similar which can be circumvented by this vulnerability. AMQP ports are not affected. Versions 6.0.0 and newer are not affected.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
6.21%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
ApacheQpid Broker-J>= 0.18, <= 0.32

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-15702?
In Apache Qpid Broker-J 0.18 through 0.32, if the broker is configured with different authentication providers on different ports one of which is an HTTP port, then the broker can be tricked by a remote unauthenticated attacker connecting to the HTTP port into using an authentication provider that was configured on a different port. The attacker still needs valid credentials with the authentication provider on the spoofed port. This becomes an issue when the spoofed port has weaker authentication protection (e.g., anonymous access, default accounts) and is normally protected by firewall rules or similar which can be circumvented by this vulnerability. AMQP ports are not affected. Versions 6.0.0 and newer are not affected.
How severe is CVE-2017-15702?
CVE-2017-15702 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.21% probability of exploitation in the next 30 days.
How do I fix CVE-2017-15702?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST