SB2017041011 - Multiple vulnerabilities in ImageWorsener

Description

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2017-7623)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to a boundary error in The iwmiffr_convert_row32 function in imagew-miff.c in libimageworsener.a in ImageWorsener 1.3.0. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted file.

2) Input validation error (CVE-ID: CVE-2017-7624)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The iw_read_bmp_file function in imagew-bmp.c in libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to consume an amount of available memory via a crafted file.

Remediation

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

References

• http://www.securityfocus.com/bid/97577
• https://github.com/jsummers/imageworsener/issues/12
• http://www.securityfocus.com/bid/97575
• https://github.com/jsummers/imageworsener/issues/10