Out-of-bounds read in Mgetty+Sendfax - CVE-2019-1010190
Published: August 7, 2019
Vulnerability identifier: #VU19971
CSH Severity: Medium
CVSS v4.0: 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:P/U:Green
CVE-ID: CVE-2019-1010190
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: EDV-Beratung Gert Döring
Affected software:
Mgetty+Sendfax
Mgetty+Sendfax
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "putwhitespan()" function of mgetty in the "g3/pbm2g3.c" file. A remote attacker can create a specially crafted file, trick a victim to open it, trigger out-of-bounds read error and crash the affected application, results in a DoS condition.
How to mitigate CVE-2019-1010190
Install updates from vendor's website.