SB2019082612 - Multiple vulnerabilities in ncurses crate for Rust

Description

This security bulletin contains information about 2 vulnerabilities.

1) Format string error (CVE-ID: CVE-2019-15547)

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

The vulnerability exists due to a format string error in printw() function within the ncurses crate for Rust. A remote attacker can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Buffer overflow (CVE-ID: CVE-2019-15548)

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

The vulnerability exists due to a boundary error within instr() and mvwinstr() function in the ncurses crate for Rust. A remote attacker can pass specially crafted input to the affected application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://rustsec.org/advisories/RUSTSEC-2019-0006.html