UBUNTU-CVE-2020-29562

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Source
https://ubuntu.com/security/notices/UBUNTU-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@2.27-3ubuntu1.5?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": [
        {
            "libc6-s390-dbgsym": "2.27-3ubuntu1.5",
            "libc6-dev": "2.27-3ubuntu1.5",
            "multiarch-support": "2.27-3ubuntu1.5",
            "libc6-dev-s390": "2.27-3ubuntu1.5",
            "libc6-dev-i386": "2.27-3ubuntu1.5",
            "locales-all": "2.27-3ubuntu1.5",
            "libc6-amd64-dbgsym": "2.27-3ubuntu1.5",
            "libc6-pic": "2.27-3ubuntu1.5",
            "glibc-source": "2.27-3ubuntu1.5",
            "libc6-dev-amd64": "2.27-3ubuntu1.5",
            "nscd-dbgsym": "2.27-3ubuntu1.5",
            "nscd": "2.27-3ubuntu1.5",
            "glibc-doc": "2.27-3ubuntu1.5",
            "libc6-armel": "2.27-3ubuntu1.5",
            "libc6-armel-dbgsym": "2.27-3ubuntu1.5",
            "libc6": "2.27-3ubuntu1.5",
            "libc6-dbg": "2.27-3ubuntu1.5",
            "libc-bin": "2.27-3ubuntu1.5",
            "libc6-i386": "2.27-3ubuntu1.5",
            "libc6-udeb": "2.27-3ubuntu1.5",
            "libc6-dev-x32": "2.27-3ubuntu1.5",
            "libc-bin-dbgsym": "2.27-3ubuntu1.5",
            "libc-dev-bin": "2.27-3ubuntu1.5",
            "libc6-amd64": "2.27-3ubuntu1.5",
            "libc6-x32": "2.27-3ubuntu1.5",
            "libc6-s390": "2.27-3ubuntu1.5",
            "libc6-dev-armel": "2.27-3ubuntu1.5",
            "libc6-i386-dbgsym": "2.27-3ubuntu1.5",
            "locales": "2.27-3ubuntu1.5",
            "libc6-lse": "2.27-3ubuntu1.5",
            "libc-dev-bin-dbgsym": "2.27-3ubuntu1.5",
            "libc6-x32-dbgsym": "2.27-3ubuntu1.5"
        }
    ]
}

Ubuntu:20.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.31-0ubuntu9.7?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": [
        {
            "libc6-s390-dbgsym": "2.31-0ubuntu9.7",
            "libc6-dev": "2.31-0ubuntu9.7",
            "libc6-dev-s390": "2.31-0ubuntu9.7",
            "libc6-dev-i386": "2.31-0ubuntu9.7",
            "locales-all": "2.31-0ubuntu9.7",
            "libc6-amd64-dbgsym": "2.31-0ubuntu9.7",
            "libc6-pic": "2.31-0ubuntu9.7",
            "glibc-source": "2.31-0ubuntu9.7",
            "libc6-dev-amd64": "2.31-0ubuntu9.7",
            "nscd-dbgsym": "2.31-0ubuntu9.7",
            "nscd": "2.31-0ubuntu9.7",
            "glibc-doc": "2.31-0ubuntu9.7",
            "libc6-armel": "2.31-0ubuntu9.7",
            "libc6-armel-dbgsym": "2.31-0ubuntu9.7",
            "libc6": "2.31-0ubuntu9.7",
            "libc6-dbg": "2.31-0ubuntu9.7",
            "libc-bin": "2.31-0ubuntu9.7",
            "libc6-i386": "2.31-0ubuntu9.7",
            "libc6-udeb": "2.31-0ubuntu9.7",
            "libc6-dev-x32": "2.31-0ubuntu9.7",
            "libc-bin-dbgsym": "2.31-0ubuntu9.7",
            "libc-dev-bin": "2.31-0ubuntu9.7",
            "libc6-amd64": "2.31-0ubuntu9.7",
            "libc6-x32": "2.31-0ubuntu9.7",
            "libc6-prof": "2.31-0ubuntu9.7",
            "libc6-s390": "2.31-0ubuntu9.7",
            "libc6-dev-armel": "2.31-0ubuntu9.7",
            "libc6-i386-dbgsym": "2.31-0ubuntu9.7",
            "locales": "2.31-0ubuntu9.7",
            "libc6-lse": "2.31-0ubuntu9.7",
            "libc-dev-bin-dbgsym": "2.31-0ubuntu9.7",
            "libc6-x32-dbgsym": "2.31-0ubuntu9.7"
        }
    ]
}