UBUNTU-CVE-2020-12740

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Source
https://ubuntu.com/security/CVE-2020-12740
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12740.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-12740
Upstream
Downstream
Related
Published
2020-05-08T18:15:00Z
Modified
2025-09-08T16:46:08Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a getc operation. The issue is being triggered in the function getipv6_next() at common/get.c.

References

Affected packages

Ubuntu:Pro:18.04:LTS / tcpreplay

Package

Name
tcpreplay
Purl
pkg:deb/ubuntu/tcpreplay@4.2.6-1ubuntu0.1~esm3?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.6-1ubuntu0.1~esm3

Affected versions

4.*

4.2.6-1
4.2.6-1ubuntu0.1~esm1
4.2.6-1ubuntu0.1~esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "tcpreplay",
            "binary_version": "4.2.6-1ubuntu0.1~esm3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12740.json"

Ubuntu:Pro:20.04:LTS / tcpreplay

Package

Name
tcpreplay
Purl
pkg:deb/ubuntu/tcpreplay@4.3.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.2-1ubuntu0.1~esm1

Affected versions

4.*

4.3.2-1build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "tcpreplay",
            "binary_version": "4.3.2-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12740.json"