#VU22494 Heap-based buffer overflow in LZ4 - CVE-2019-17543
Published: November 4, 2019
Vulnerability identifier: #VU22494
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-17543
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LZ4
LZ4
Software vendor:
LZ4
LZ4
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the LZ4_write32 when performing archiving operation with LZ4_compress_fast. A remote attacker can pass specially crafted input to the application, trigger heap-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 updates from vendor's website.
External links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941
- https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2
- https://github.com/lz4/lz4/issues/801
- https://github.com/lz4/lz4/pull/756
- https://github.com/lz4/lz4/pull/760
- https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00eabe7d50ec1e17@%3Cissues.arrow.apache.org%3E
- https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7d75412099c357@%3Cissues.arrow.apache.org%3E
- https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e36272c8c8b7fa3@%3Cissues.arrow.apache.org%3E
- https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb06b5c87b36316@%3Cissues.arrow.apache.org%3E
- https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3e91f0def2d7d3@%3Cdev.arrow.apache.org%3E