USN-5194-1

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Source
https://ubuntu.com/security/notices/USN-5194-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5194-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5194-1
Related
Published
2021-12-15T13:45:51.317250Z
Modified
2021-12-15T13:45:51.317250Z
Summary
olm vulnerability
Details

Denis Kasak discovered that Olm was not verifying the length of input being processed by the olmpkdecrypt module, which introduced a stack-based buffer overflow vulnerability to the library. An attacker could use this to cause a denial of service (application crash) or possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:20.04:LTS / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@3.1.3+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.3+dfsg-2ubuntu0.1~esm1

Affected versions

3.*

3.1.3+dfsg-2
3.1.3+dfsg-2build1
3.1.3+dfsg-2build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libolm-dev",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libolm3",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libolm3-dbgsym",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-olm",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-olm-dbgsym",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}