Vulnerability Details : CVE-2020-12740
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.
Products affected by CVE-2020-12740
- cpe:2.3:a:broadcom:tcpreplay:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12740
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12740
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2020-12740
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12740
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/
[SECURITY] Fedora 31 Update: tcpreplay-4.3.3-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Release Notes;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/
[SECURITY] Fedora 32 Update: tcpreplay-4.3.3-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Release Notes;Third Party Advisory
-
https://github.com/appneta/tcpreplay/issues/576
Heap overflow in get_ipv6_next() · Issue #576 · appneta/tcpreplay · GitHubExploit;Issue Tracking;Third Party Advisory
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