| タイトル | FortiOS - heap-based buffer overflow in sslvpnd |
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| 説明 | A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.
Exploitation status:
Fortinet is aware of an instance where this vulnerability was exploited in the wild, and recommends immediately validating your systems against the following indicators of compromise:
Multiple log entries with:
Logdesc="Application crashed" and msg="[...] application:sslvpnd,[...], Signal 11 received, Backtrace: [...]“
Presence of the following artifacts in the filesystem:
/data/lib/libips.bak
/data/lib/libgif.so
/data/lib/libiptcp.so
/data/lib/libipudp.so
/data/lib/libjepg.so
/var/.sslvpnconfigbk
/data/etc/wxd.conf
/flash
Connections to suspicious IP addresses from the FortiGate:
x.x.x.x:444
x.x.x.x:30080,30081,30443,20443
x.x.x.x:8443,444
x.x.x.x:8033
Affected Products
FortiOS version 7.2.0 through 7.2.2
FortiOS version 7.0.0 through 7.0.8
FortiOS version 6.4.0 through 6.4.10
FortiOS version 6.2.0 through 6.2.11
FortiOS-6K7K version 7.0.0 through 7.0.7
FortiOS-6K7K version 6.4.0 through 6.4.9
FortiOS-6K7K version 6.2.0 through 6.2.11
FortiOS-6K7K version 6.0.0 through 6.0.14
Solutions
Please upgrade to FortiOS version 7.2.3 or above
Please upgrade to FortiOS version 7.0.9 or above
Please upgrade to FortiOS version 6.4.11 or above
Please upgrade to FortiOS version 6.2.12 or above
Please upgrade to FortiOS-6K7K version 7.0.8 or above
Please upgrade to FortiOS-6K7K version 6.4.10 or above
Please upgrade to FortiOS-6K7K version 6.2.12 or above
Please upgrade to FortiOS-6K7K version 6.0.15 or above
CVSSv3 Score 9.3 https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C
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| ソース | ⚠️ https://www.fortiguard.com/psirt/FG-IR-22-398 |
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| ユーザー | cookedfrenchman (UID 20416) |
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| 送信 | 2022年12月13日 10:15 (3 年 ago) |
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| モデレーション | 2022年12月13日 11:03 (48 minutes later) |
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| ステータス | 承諾済み |
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| VulDBエントリ | 215433 [Fortinet FortiOS 迄 7.2.2 sslvpnd メモリ破損] |
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| ポイント | 20 |
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