Fortinet has released fixes to address 15 security flaws, including one critical vulnerability impacting FortiOS and FortiProxy that could enable a threat actor to take control of affected systems.
The issue, tracked as CVE-2023–25610, is rated 9.3 out of 10 for severity and was internally discovered and reported by its security teams.
“A buffer underwrite (‘buffer underflow’) vulnerability in FortiOS and FortiProxy administrative interface may allow a remote unauthenticated attacker to execute arbitrary code on the device and/or perform a DoS on the GUI, via specifically crafted requests,” Fortinet said in an advisory.
Other possible consequences include memory corruption that could either be weaponized to induce a crash or execute arbitrary code.
Fortinet said it’s not aware of any malicious exploitation attempts against the flaw. But given that prior flaws in software have come under active abuse in the wild, it’s essential that users move quickly to apply the patches.
The following versions of FortiOS and FortiProxy are impacted by the vulnerability -
- FortiOS version 7.2.0 through 7.2.3
- FortiOS version 7.0.0 through 7.0.9
- FortiOS version 6.4.0 through 6.4.11
- FortiOS version 6.2.0 through 6.2.12
- FortiOS 6.0 all versions
- FortiProxy version 7.2.0 through 7.2.2
- FortiProxy version 7.0.0 through 7.0.8
- FortiProxy version 2.0.0 through 2.0.11
- FortiProxy 1.2 all versions
- FortiProxy 1.1 all versions
Fixes are available in FortiOS versions 6.2.13, 6.4.12, 7.0.10, 7.2.4, and 7.4.0; FortiOS-6K7K versions 6.2.13, 6.4.12, and 7.0.10; and FortiProxy versions 2.0.12, 7.0.9, and 7.0.9.
As workarounds, Fortinet is recommending that users either disable the HTTP/HTTPS administrative interface or limit IP addresses that can reach it.
The disclosure comes weeks after the network security company issued fixes for 40 vulnerabilities, two of which are rated Critical and impact FortiNAC (CVE-2022–39952) and FortiWeb (CVE-2021–42756) products.
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