CVE-2008-2019
Simple Machines Forum (SMF), probably 1.1.4, relies on "randomly generated static" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Simple Machines Forum (SMF), probably 1.1.4, relies on "randomly generated static" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances. NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.05% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- simple machines/smf
- Source
- cve@mitre.org
References
- http://securityreason.com/securityalert/3836
- http://www.rooksecurity.com/blog/?p=6
- http://www.securityfocus.com/archive/1/491128/100/0/threaded
- http://www.securityfocus.com/bid/28866
- http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3&topic=236816.0
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42150
- http://securityreason.com/securityalert/3836
- http://www.rooksecurity.com/blog/?p=6
- http://www.securityfocus.com/archive/1/491128/100/0/threaded
- http://www.securityfocus.com/bid/28866
- http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3&topic=236816.0
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42150
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.