SB2019050418 - Stack-based buffer overflow in imagemagick6 (Alpine package)
Published: May 4, 2019
Security Bulletin ID
SB2019050418
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2019-13305)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in WritePNMImage in the coders/pnm.c file because of a misplaced "strncpy" and "an off-by-one" error. A remote attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=a19f810872972ce57a3fd3bf4ef1f9ec5eac78bc
- https://git.alpinelinux.org/aports/commit/?id=530a544685f085941dfc43575144a1aa5090a3e4
- https://git.alpinelinux.org/aports/commit/?id=d46d1b3369612e10a726fb1b6658764a7ff08fc9
- https://git.alpinelinux.org/aports/commit/?id=6a183d66c7dc3dca62a642c621c62bc6455f8b87
- https://git.alpinelinux.org/aports/commit/?id=8a0a53d2ab69a2e8892826f9443e0ad20d53e4df
- https://git.alpinelinux.org/aports/commit/?id=3cecfd2d2af53b9be6d7e3af4cc8490b54556a1f
- https://git.alpinelinux.org/aports/commit/?id=4f797cc6b00076db68e8bc9f0995e8181659d243
- https://git.alpinelinux.org/aports/commit/?id=e2c99a977c70ec025f2ce7b2e89c227d7fed9ed7
- https://git.alpinelinux.org/aports/commit/?id=0f7ecd696d28f3be16555aca8525bf57ed8a0669