SB2018123103 - Multiple vulnerabilities in JasPer

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Memory leak (CVE-ID: CVE-2018-20622)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to memory leak within base/jas_malloc.c in libjasper.a when "--output-format jp2" is used. A remote attacker can gain access to arbitrary data.

2) Input validation error (CVE-ID: CVE-2018-20584)

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause application hang via an attempted conversion to the jp2 format.

3) Heap-based buffer over-read (CVE-ID: CVE-2018-20570)

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

The vulnerability exists due to heap-based buffer over-read in jp2_encode in jp2/jp2_enc.c. A remote attacker can trigger memory corruption and cause the service to crash.

Remediation

Install update from vendor's website.

References

• https://github.com/mdadams/jasper/issues/193
• https://github.com/mdadams/jasper/issues/192
• https://github.com/mdadams/jasper/issues/191