rust-base64 up to 0.5.1 encode_config_buf/encode_config memory corruption

Summaryinfo

A vulnerability described as critical has been identified in rust-base64 up to 0.5.1. Affected is the function encode_config_buf/encode_config. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-1000430. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in rust-base64 up to 0.5.1. Affected by this issue is the function encode_config_buf/encode_config. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

rust-base64 version <= 0.5.1 is vulnerable to a buffer overflow when calculating the size of a buffer to use when encoding base64 using the 'encode_config_buf' and 'encode_config' functions

The bug was discovered 12/30/2017. The weakness was disclosed 01/02/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2017-1000430 since 01/02/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• rust-base64

Version

• 0.5.0
• 0.5.1

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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