SB2019010710 - Integer overflow in openjdk8 (Alpine package)
Published: January 7, 2019
Security Bulletin ID
SB2019010710
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2018-13785)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to integer overflow when a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c). A remote attacker can send a specially crafted PNG file, trigger divide-by-zero error and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0905d093856a9727b68783a3fe9cea30f5d86fcc
- https://git.alpinelinux.org/aports/commit/?id=d7f33f856ada4bcdb7fc556e53404e7e5c97abe1
- https://git.alpinelinux.org/aports/commit/?id=813a6e811df47ec9eb24129eee3d1ef560a53a84
- https://git.alpinelinux.org/aports/commit/?id=95b6385e634240fec0b4445221f22915c7fdc384