UBUNTU-CVE-2020-29562

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2020-29562

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29562.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-29562

Related

Published

2020-12-04T07:15:00Z

Modified

2020-12-04T07:15:00Z

Severity

4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / glibc

Package

Name: glibc
Purl: pkg:deb/ubuntu/glibc?arch=src?distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.27-3ubuntu1.5

Affected versions

2.*

2.26-0ubuntu2

2.26-0ubuntu2.1

2.27-0ubuntu2

2.27-0ubuntu3

2.27-3ubuntu1

2.27-3ubuntu1.2

2.27-3ubuntu1.3

2.27-3ubuntu1.4

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "glibc-doc"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "glibc-source"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc-bin"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc-bin-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc-dev-bin"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc-dev-bin-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-amd64"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-amd64-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-armel"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-armel-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dbg"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev-amd64"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev-armel"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev-i386"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev-s390"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-dev-x32"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-i386"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-i386-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-lse"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-pic"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-s390"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-s390-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-udeb"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-x32"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "libc6-x32-dbgsym"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "locales"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "locales-all"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "multiarch-support"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "nscd"
        },
        {
            "binary_version": "2.27-3ubuntu1.5",
            "binary_name": "nscd-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / glibc

Package

Name: glibc
Purl: pkg:deb/ubuntu/glibc?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.31-0ubuntu9.7

Affected versions

2.*

2.30-0ubuntu2

2.30-0ubuntu3

2.31-0ubuntu5

2.31-0ubuntu6

2.31-0ubuntu7

2.31-0ubuntu9

2.31-0ubuntu9.1

2.31-0ubuntu9.2

2.31-0ubuntu9.3

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "glibc-doc"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "glibc-source"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc-bin"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc-bin-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc-dev-bin"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc-dev-bin-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-amd64"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-amd64-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-armel"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-armel-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dbg"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev-amd64"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev-armel"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev-i386"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev-s390"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-dev-x32"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-i386"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-i386-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-lse"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-pic"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-prof"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-s390"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-s390-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-udeb"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-x32"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "libc6-x32-dbgsym"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "locales"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "locales-all"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "nscd"
        },
        {
            "binary_version": "2.31-0ubuntu9.7",
            "binary_name": "nscd-dbgsym"
        }
    ]
}