CVE-2024-51550

published 2024-12-05

CVE-2024-51550: Data Validation / Data Sanitization vulnerabilities in Linux allows unvalidated and unsanitized data to be injected in an Aspect device. Affected products: ABB…

Priority P2 63 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

EXPLOIT

Data Validation / Data Sanitization vulnerabilities in Linux allows unvalidated and unsanitized data to be injected in an Aspect device.
Affected products:

ABB ASPECT - Enterprise v3.08.02;
NEXUS Series v3.08.02;
MATRIX Series v3.08.02

Affected

22 ranges

Vendor	Product	Version range	Fixed in
abb	aspect-ent-12_firmware	< 3.08.03	3.08.03
abb	aspect-ent-256_firmware	< 3.08.03	3.08.03
abb	aspect-ent-2_firmware	< 3.08.03	3.08.03
abb	aspect-ent-96_firmware	< 3.08.03	3.08.03
abb	aspect-enterprise	<= 3.08.02	—
abb	matrix-11_firmware	< 3.08.03	3.08.03
abb	matrix-216_firmware	< 3.08.03	3.08.03
abb	matrix-232_firmware	< 3.08.03	3.08.03
abb	matrix-264_firmware	< 3.08.03	3.08.03
abb	matrix-296_firmware	< 3.08.03	3.08.03
abb	matrix_series	<= 3.08.02	—
abb	nexus-2128-a_firmware	< 3.08.03	3.08.03
abb	nexus-2128-f_firmware	< 3.08.03	3.08.03
abb	nexus-2128-g_firmware	< 3.08.03	3.08.03
abb	nexus-2128_firmware	< 3.08.03	3.08.03
abb	nexus-264-a_firmware	< 3.08.03	3.08.03
abb	nexus-264-f_firmware	< 3.08.03	3.08.03
abb	nexus-264-g_firmware	< 3.08.03	3.08.03
abb	nexus-264_firmware	< 3.08.03	3.08.03
abb	nexus-3-2128_firmware	< 3.08.03	3.08.03
abb	nexus-3-264_firmware	< 3.08.03	3.08.03
abb	nexus_series	<= 3.08.02	—

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

path /bbmdUpdate.php↗

command hexMask2=0xFFFF; sleep 17; #↗

command NAThexMask2=0xFFFF; sleep 17; #↗

port 47808↗

• → Detect POST requests to /bbmdUpdate.php containing shell metacharacters (semicolons, hash/comment characters) in the hexMask or NAThexMask parameters, indicative of OS command injection. ↗
• → Monitor for POST requests to /bbmdUpdate.php with parameters rowCount, ip1/ip2, port1/port2, hexMask1/hexMask2, remove1/remove2 — the attack surface for the BBMD update injection vector. ↗
• → Monitor for POST requests to /bbmdUpdate.php with parameters rowCountNAT, NATip, NATport, NAThexMask, NATremove — the NAT variant of the injection vector. ↗
• → Flag time-based blind command injection attempts: a `sleep` command injected into hexMask or NAThexMask fields causing a ~17-second response delay is a strong indicator of exploitation. ↗

• · The exploit uses an authenticated session (PHPSESSID cookie), meaning the attacker must already possess a valid session token. Detection should also cover credential abuse or session hijacking as a precursor. ↗
• · Affected versions are specifically ABB ASPECT-Enterprise, NEXUS Series, MATRIX Series, and ASPECT-Studio at firmware/software version 3.08.02. Detections should be scoped to these devices. ↗
• · The vulnerability is a data validation/sanitization failure — unsanitized POST parameters are passed directly to OS-level commands. Any parameter accepting hex mask or IP/port values in bbmdUpdate.php should be treated as untrusted. ↗

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v4.0 9.3 CRITICAL CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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