TP-LINK TL-IPC40A-4 websys.lua Password hard-coded credentials

Summaryinfo

A vulnerability classified as critical has been found in TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-* and TL-IPC40A-4. Affected by this issue is some unknown functionality in the library /usr/lib/lua/luci/websys.lua. Performing a manipulation of the argument Password with the input zMiVw8Kw0oxKXL0 results in hard-coded credentials. This vulnerability was named CVE-2018-11482. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-* and TL-IPC40A-4 (Router Operating System) (version now known). It has been classified as critical. This affects some unknown processing in the library /usr/lib/lua/luci/websys.lua. The manipulation of the argument Password with the input value zMiVw8Kw0oxKXL0 leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

/usr/lib/lua/luci/websys.lua on TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-*, and TL-IPC40A-4 devices has a hardcoded zMiVw8Kw0oxKXL0 password.

The bug was discovered 05/28/2018. The weakness was presented 05/30/2018 (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is uniquely identified as CVE-2018-11482 since 05/25/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-118382 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• TP-LINK

Name

• IPC TL-IPC223(P)-6
• TL-IPC40A-4
• TL-IPC323K-D
• TL-IPC325(KP)-*

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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