CVE-2020-12740
First published: Fri May 08 2020(Updated: )
tcprewrite in Tcpreplay through 4.3.2 has a 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Broadcom Tcpreplay | <=4.3.2 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 |
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Reference 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/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/
Frequently Asked Questions
What is CVE-2020-12740?
CVE-2020-12740 is a vulnerability in Tcpreplay that allows for a heap-based buffer over-read during a get_c operation.
What is the severity of CVE-2020-12740?
CVE-2020-12740 has a severity rating of 9.1 (Critical).
How does CVE-2020-12740 affect Broadcom Tcpreplay?
CVE-2020-12740 affects Broadcom Tcpreplay version 4.3.2.
How does CVE-2020-12740 affect Fedora?
CVE-2020-12740 affects Fedora versions 31 and 32.
How can I fix CVE-2020-12740?
To fix CVE-2020-12740, update Tcpreplay to version 4.3.3 or higher.
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