CVE-2023-50262

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-50262
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-50262.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-50262
Aliases
Published
2023-12-13T21:15:09Z
Modified
2024-09-18T03:14:29.610066Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Dompdf is an HTML to PDF converter for PHP. When parsing SVG images Dompdf performs an initial validation to ensure that paths within the SVG are allowed. One of the validations is that the SVG document does not reference itself. However, prior to version 2.0.4, a recursive chained using two or more SVG documents is not correctly validated. Depending on the system configuration and attack pattern this could exhaust the memory available to the executing process and/or to the server itself.

php-svg-lib, when run in isolation, does not support SVG references for image elements. However, when used in combination with Dompdf, php-svg-lib will process SVG images referenced by an image element. Dompdf currently includes validation to prevent self-referential image references, but a chained reference is not checked. A malicious actor may thus trigger infinite recursion by chaining references between two or more SVG images.

When Dompdf parses a malicious payload, it will crash due after exceeding the allowed execution time or memory usage. An attacker sending multiple request to a system can potentially cause resource exhaustion to the point that the system is unable to handle incoming request.

Version 2.0.4 contains a fix for this issue.

References

Affected packages

Debian:11 / php-dompdf

Package

Name
php-dompdf
Purl
pkg:deb/debian/php-dompdf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.6.2+dfsg-3.1
0.6.2+dfsg-4

2.*

2.0.2+dfsg-1
2.0.2+dfsg-2
2.0.3+dfsg-1
2.0.3+dfsg-2
2.0.3+dfsg-3
2.0.3+dfsg-4
2.0.4+dfsg-1
2.0.4+dfsg-2
2.0.7+dfsg-1

3.*

3.0.0+dfsg-1
3.0.0+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / php-dompdf

Package

Name
php-dompdf
Purl
pkg:deb/debian/php-dompdf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.3+dfsg-1
2.0.3+dfsg-2
2.0.3+dfsg-3
2.0.3+dfsg-4
2.0.4+dfsg-1
2.0.4+dfsg-2
2.0.7+dfsg-1

3.*

3.0.0+dfsg-1
3.0.0+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / php-dompdf

Package

Name
php-dompdf
Purl
pkg:deb/debian/php-dompdf?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.4+dfsg-1

Affected versions

2.*

2.0.3+dfsg-1
2.0.3+dfsg-2
2.0.3+dfsg-3
2.0.3+dfsg-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/dompdf/dompdf

Affected ranges

Type
GIT
Repo
https://github.com/dompdf/dompdf
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
41cbac16f3cf56affa49f06e8dae66d0eac2b593

Affected versions

v0.*

v0.6.0
v0.6.0-b3
v0.6.1
v0.6.2
v0.7.0
v0.7.0-beta
v0.7.0-beta2
v0.7.0-beta3
v0.8.0
v0.8.1
v0.8.2
v0.8.3
v0.8.4
v0.8.5
v0.8.6

v1.*

v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.2.0
v1.2.1
v1.2.2

v2.*

v2.0.0
v2.0.1
v2.0.2
v2.0.3