Astrolog 7.70 Environment Variable FileOpen buffer overflow

Summaryinfo

A vulnerability marked as critical has been reported in Astrolog 7.70. Impacted is the function FileOpen of the component Environment Variable Handler. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2025-29625. There is no available exploit.

Detailsinfo

A vulnerability was found in Astrolog 7.70. It has been classified as critical. This affects the function FileOpen of the component Environment Variable Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability in Astrolog v7.70 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via an overly long environment variable passed to FileOpen function.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-29625 since 03/11/2025. The exploitability is told to be easy. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/18/2025).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Astrolog

Version

• 7.70

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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