Langflow up to 1.0.18 HTTP POST Request utils.py remaining_text redos

Summaryinfo

A vulnerability has been found in Langflow up to 1.0.18 and classified as problematic. The impacted element is an unknown function of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. This manipulation of the argument remaining_text causes redos. The identification of this vulnerability is CVE-2024-9277. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown part of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text with an unknown input leads to a redos vulnerability. The CWE definition for the vulnerability is CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. As an impact it is known to affect availability.

It is possible to read the advisory at rumbling-slice-eb0.notion.site. This vulnerability is known as CVE-2024-9277. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1449.003 according to MITRE ATT&CK.

It is possible to download the exploit at rumbling-slice-eb0.notion.site. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Langflow

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.11
• 1.0.12
• 1.0.13
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.17
• 1.0.18

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #410043: langflow-ai langflow <=v1.0.18 Redos (by HRP_0)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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