CVE-2008-2158

published 2008-05-29

CVE-2008-2158: Multiple stack-based buffer overflows in the Command Line Interface process in the Server Agent in EMC AlphaStor 3.1 SP1 for Windows allow remote attackers to…

Priority P2 71 critical 10 CVSS 2.0

AV N AC L Au N C C I C A C

EXPLOIT

Multiple stack-based buffer overflows in the Command Line Interface process in the Server Agent in EMC AlphaStor 3.1 SP1 for Windows allow remote attackers to execute arbitrary code via crafted TCP packets to port 41025.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
emc_corporation	alphastor	—	—

Detection & IOCs extracted from sources · hover to see the quote

port 41025/tcp↗

other 0x65153fe0 (dblib9.dll 9.0.1.1975)↗

process ascli.exe↗

command ascli.exe asopmsg "long_buff"↗

bytes↗

\x00\x00\x00\x0b (4-byte little-endian header word)

bytes↗

\x00\x00\x00\x04 (second 4-byte little-endian word)

bytes↗

\x00\x00\x00\x1b (fourth 4-byte little-endian word)

bytes↗

\x00\x00\x04\x7c (fifth 4-byte little-endian word, payload length 0x47c=1148)

• → Alert on TCP connections to port 41025 targeting EMC AlphaStor Agent (rpcbind/CLI process); any connection delivering a payload >827 bytes following the 5-word protocol header sequence is suspicious. ↗
• → The exploit sends a structured multi-part TCP stream: first a 4-byte LE word 0x0000000b, then a short alpha string containing '@', then 0x00000004, 0x0000001b, 0x0000047c, followed by an 827+ byte NOP sled + payload. Detecting this exact sequence on port 41025 is a high-fidelity indicator. ↗
• → Monitor for execution of ascli.exe with the argument 'asopmsg' followed by an unusually long string argument, as this is the vulnerable code path triggered by the exploit. ↗
• → The exploit targets return address 0x65153fe0 inside dblib9.dll version 9.0.1.1975. Presence of this DLL version on a Windows host running AlphaStor 3.1 SP1 indicates a vulnerable target. ↗
• → The exploit uses BadChars \x00\x0a\x0d\x20 and a StackAdjustment of -3500; NOP sleds of 827 bytes minus payload length are prepended. Large NOP sleds on port 41025 traffic are a strong detection signal. ↗

• · The return address 0x65153fe0 is specific to dblib9.dll version 9.0.1.1975 on Windows; the exploit only targets EMC AlphaStor 3.1 SP1 for Windows and will not work against other platforms or versions. ↗
• · The exploit uses EXITFUNC=process (one-shot overwrite), meaning the agent process will terminate after exploitation; repeated connection attempts or process restarts may indicate exploitation attempts. ↗

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