Seafile up to 6.2.11 Cipher Block Chaining Mode Initialization Vector inadequate encryption

Summaryinfo

A vulnerability identified as critical has been detected in Seafile up to 6.2.11. This impacts an unknown function of the component Cipher Block Chaining Mode. The manipulation leads to inadequate encryption (Initialization Vector). This vulnerability is listed as CVE-2013-7469. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Seafile up to 6.2.11 and classified as critical. This issue affects some unknown functionality of the component Cipher Block Chaining Mode. The manipulation with an unknown input leads to a inadequate encryption vulnerability (Initialization Vector). Using CWE to declare the problem leads to CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Seafile through 6.2.11 always uses the same Initialization Vector (IV) with Cipher Block Chaining (CBC) Mode to encrypt private data, making it easier to conduct chosen-plaintext attacks or dictionary attacks.

The bug was discovered 09/03/2013. The weakness was presented 02/21/2019. The identification of this vulnerability is CVE-2013-7469 since 02/17/2019. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1997 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.

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

Productinfo

Name

• Seafile

Version

• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7
• 6.2.8
• 6.2.9
• 6.2.10
• 6.2.11

CPE 2.3info

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CPE 2.2info

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Entryinfo

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