SB2019082711 - Multiple vulnerabilities in libMirage

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2019-15540)

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

The vulnerability exists in the "filters/filter-cso/filter-stream.c" in the CSO filter due to a boundary error when the software does not validate the part size. A local authenticated attacker can trigger heap-based buffer overflow, gain root access and execute arbitrary code on the target system.

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

2) NULL pointer dereference (CVE-ID: CVE-2019-15757)

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

The vulnerability exists due to a NULL pointer dreference error within  the NRG parser in parser.c. A remote attacker can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://gist.github.com/andreafioraldi/baa79cd78131888d98d6ba680d5f514e
• https://sourceforge.net/p/cdemu/bugs/119/
• https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/
• https://gist.github.com/andreafioraldi/343d9ba64060b548c02362a5e61ec932
• https://sourceforge.net/p/cdemu/bugs/118/