SB2018030517 - Stack-based buffer overflow in php7 (Alpine package)
Published: March 5, 2018
Security Bulletin ID
SB2018030517
CSH 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 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2018-7584)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to stack-based buffer overflow when handling malicious input. A remote attacker can send specially crafted HTTP response packets, trigger memory corruption and cause the application to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=4a7ccf578f5caf82b4c9120ac266ff49f245549a
- https://git.alpinelinux.org/aports/commit/?id=0b7c0789cd4c8c6a4ddccbd2144f4b3ba3e3bb3a
- https://git.alpinelinux.org/aports/commit/?id=d02ef32d26b3fa894a40ced1b1ec446e90c0e071
- https://git.alpinelinux.org/aports/commit/?id=d34316d4678b8e82538f82624ce4bfea3b81e79b
- https://git.alpinelinux.org/aports/commit/?id=f1dfff5f7f40aa56b73723d12ce463ed5a4f3503
- https://git.alpinelinux.org/aports/commit/?id=8303b9c94481df072458ac67a95e4c05ba8aeead
- https://git.alpinelinux.org/aports/commit/?id=bd91af380d23802e03b74354978e570e4d9bf564
- https://git.alpinelinux.org/aports/commit/?id=d98d33b7f4b4e061f4ef3274265b355707c5fe09
- https://git.alpinelinux.org/aports/commit/?id=13092d413c7a566cc40105610e588964d8773265