CVE-2012-10021

Public Exploit
D-Link DIR-605L Captcha Handling Buffer Overflow

Description

A stack-based buffer overflow vulnerability exists in D-Link DIR-605L Wireless N300 Cloud Router firmware versions 1.12 and 1.13 via the getAuthCode() function. The flaw arises from unsafe usage of sprintf() when processing user-supplied CAPTCHA data via the FILECODE parameter in /goform/formLogin. A remote unauthenticated attacker can exploit this to execute arbitrary code with root privileges on the device.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.53%
Third-Party Advisory vulncheck.com
Affected: D-Link DIR-605L
Published at:
Updated at:

References

Link Tags
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/dlink_dir605l_captcha_bof.rb exploit
https://web.archive.org/web/20121012062554/http://www.devttys0.com/2012/10/exploiting-a-mips-stack-overflow/ exploit technical description
https://www.exploit-db.com/exploits/29127 exploit
https://forums.dlink.com/index.php?topic=51923.0
https://www.vulncheck.com/advisories/dlink-dir605l-captcha-handling-stack-based-buffer-overflow third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-10021?
CVE-2012-10021 has been scored as a critical severity vulnerability.
How to fix CVE-2012-10021?
To fix CVE-2012-10021, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-10021 being actively exploited in the wild?
It is possible that CVE-2012-10021 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2012-10021?
CVE-2012-10021 affects D-Link DIR-605L.
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