Resource exhaustion in elfutils - CVE-2019-7148
Published: February 5, 2019
Vulnerability identifier: #VU17375
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-7148
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Sourceware
Affected software:
elfutils
elfutils
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the libelf component due to improper handling of Executable and Linkable Format (ELF) files by the read_long_names function, as defined in the elf_begin.c source code file. A remote attacker can trick the victim into accessing an ELF file that submits malicious input and cause the affected application to improperly allocate excessive memory resources, resulting in a DoS condition.
How to mitigate CVE-2019-7148
Cybersecurity Help in currently unaware of any official solution to address the vulnerability.