NULL pointer dereference in dcraw - CVE-2013-1438
Published: January 19, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU42137
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1438
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted photo file that triggers a (1) divide-by-zero, (2) infinite loop, or (3) NULL pointer dereference.
Affected software
dcraw
Ubuntu
libraw5 (Ubuntu package)
libkdcraw20 (Ubuntu package)
Ubuntu
libraw5 (Ubuntu package)
libkdcraw20 (Ubuntu package)
How to mitigate CVE-2013-1438
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
libraw5 (Ubuntu package) - addressed in versions 0.14.4-0ubuntu2.2, 0.14.7-0ubuntu1.12.10.2, 0.14.7-0ubuntu1.13.04.2
libkdcraw20 (Ubuntu package) - update to 4:4.8.5-0ubuntu0.3
libkdcraw20 (Ubuntu package) - update to 4:4.8.5-0ubuntu0.3