SB2025051805 - Meinberg LANTIME firmware update for curl

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Double free (CVE-ID: CVE-2024-6197)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in ASN1 parser within the utf8asn1str() function. A remote attacker can pass specially crafted TLS certificate to the application, trigger double free error and execute arbitrary code on the target system.

The vulnerable code can only be reached when curl is built to use GnuTLS, wolfSSL, Schannel or Secure Transport.

2) Out-of-bounds read (CVE-ID: CVE-2024-7264)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the ASN1 parser code in the GTime2str() function. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

3) Out-of-bounds read (CVE-ID: CVE-2024-6874)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the curl_url_get() function when parsing IDN URLs. A remote attacker can pass a specially crafted URL to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://www.meinbergglobal.com/english/news/meinberg-security-advisory-mbgsa-2024-05-lantime-firmware-v7-08-015.htm