Out-of-bounds read in Tcpreplay - CVE-2020-12740
Published: June 1, 2021
Vulnerability identifier: #VU53697
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-12740
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Tcpreplay
Tcpreplay
Software vendor:
AppNeta
AppNeta
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c. A remote attacker can perform a denial of service attack.
Remediation
Install update from vendor's website.
External links
- https://github.com/appneta/tcpreplay/issues/576
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/