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| Rule General Information |
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| Release Date: | 2021-08-04 | |
| Rule Name: | Netgear R7000 backup.cgi Heap Overflow Vulnerability (CVE-2021-31802) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | NETGEAR R7000 1.0.11.116 devices have a heap-based Buffer Overflow that is exploitable from the local network without authentication. The vulnerability exists within the handling of an HTTP request. An attacker can leverage this to execute code as root. The problem is that a user-provided length value is trusted during a backup.cgi file upload. The attacker must add a \n before the Content-Length header. | |
| Impact: | An attacker could exploit this vulnerability to have unspecified effect. | |
| Affected OS: | Network Device | |
| Reference: | https://ssd-disclosure.com/ssd-advisory-netgear-nighthawk-r7000-httpd-preauth-rce/ https://www.netgear.com/about/security/ |
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| Solutions |
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| The vendor has released upgrade patches to fix vulnerabilities, please visit: https://www.netgear.com/about/security/ |