CVE-2017-12309 Other in Cisco Email Security Appliance

Medium 5.3 Published Updated

Unauthenticated attackers can inject HTTP headers to split responses, enabling XSS, defacement, and cache poisoning on Cisco Email Security Appliances.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-12309?

CVE-2017-12309 is a medium-severity vulnerability in Cisco Email Security Appliance, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to conduct a HTTP response splitting attack. The vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses. An exploit could allow the attacker to perform cross-site scripting attacks, cross-user defacement, web cache poisoning, and similar exploits. Cisco Bug IDs: CSCvf16705.

Weakness: CWE-113

Which versions are affected by CVE-2017-12309?

It affects 1 product.

Products include Cisco Email Security Appliance Firmware.

How do I fix CVE-2017-12309?

No fix has been published for CVE-2017-12309 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-12309 being exploited?

There is no known exploitation of CVE-2017-12309 in the wild and no public exploit code.

Sources

Also known as GHSA-fr94-63q7-g53g.

Is CVE-2017-12309 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free