CVE-2014-9708

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 56.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-03-31 · updated 2026-06-17
Weakness: CWE-476

Description

Embedthis Appweb before 4.6.6 and 5.x before 5.2.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via a Range header with an empty value, as demonstrated by "Range: x=,".

Affected products

EmbedThis Appweb: before 4.6.6; from 5.0.0 before 5.2.1 — fixed in 4.6.6, 5.2.1
Juniper Junos OS: 12.1x46, 12.1x46-d10, 12.1x46-d15, 12.1x46-d20, 12.1x46-d25, 12.1x46-d30 (+291)
Oracle Corporation Enterprise Communications Broker: through 2.0.0

How to fix

Upgrade to a fixed version: EmbedThis Appweb 4.6.6, 5.2.1. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/131157/Appweb-Web-Server-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2015/Apr/19
http://seclists.org/fulldisclosure/2015/Mar/158
http://www.openwall.com/lists/oss-security/2015/03/28/2
http://www.openwall.com/lists/oss-security/2015/04/06/2
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.securityfocus.com/archive/1/535028/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/535028/100/1400/threaded
http://www.securityfocus.com/bid/73407
http://www.securitytracker.com/id/1037007
https://github.com/embedthis/appweb/commit/7e6a925f5e86a19a7934a94bbd6959101d0b84eb#diff-7ca4d62c70220e0e226e7beac90c95d9L17348
https://github.com/embedthis/appweb/issues/413

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