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CVE-2020-12740

CRITICAL
9.1
CVSS Score
Published: May 8, 2020 at 05:03 PM UTC
Updated: June 17, 2026 at 02:52 AM UTC
2 products affected across 2 vendorsFedoraTcpreplay

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Severity
CRITICAL9.1
Exploit prediction
EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (3)

x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/appneta/tcpreplay/issues/576
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/

CVSS

9.1CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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