CVE-2020-35653: Input Validation
First published: Sun Jan 03 2021(Updated: )
A flaw was found in python-pillow. The PcxDecode in Pillow has a buffer over-read when decoding a crafted PCX file due to the user-supplied stride value trusted for buffer calculations. The highest threat from this vulnerability is to system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/python-pillow | <0:5.1.1-16.el8 | 0:5.1.1-16.el8 |
| Python Pillow | <8.1.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Debian Debian Linux | =9.0 | |
| redhat/python-pillow | <8.1.0 | 8.1.0 |
| debian/pillow | 8.1.2+dfsg-0.3+deb11u2 9.4.0-1.1+deb12u1 10.4.0-1 | |
| pip/pillow | >=0<8.1.0 | 8.1.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2020-35653
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/
- https://pillow.readthedocs.io/en/stable/releasenotes/index.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
- https://github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf
- https://github.com/advisories/GHSA-f5g8-5qq7-938w (Advisory)
- https://www.cve.org/CVERecord?id=CVE-2020-35653 https://nvd.nist.gov/vuln/detail/CVE-2020-35653 https://pillow.readthedocs.io/en/stable/releasenotes/8.1.0.html#security
- https://bugzilla.redhat.com/show_bug.cgi?id=1915420
- https://access.redhat.com/errata/RHSA-2021:4149
- https://access.redhat.com/errata/RHSA-2021:3917
- https://access.redhat.com/security/cve/cve-2020-35653
- https://launchpad.net/bugs/cve/CVE-2020-35653
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.0.html#security
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1915421
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1915428
- https://access.redhat.com/security/cve/CVE-2020-35655
- https://access.redhat.com/security/cve/CVE-2020-35653
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35653
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/
- https://github.com/python-pillow/Pillow/pull/5174
- https://security-tracker.debian.org/tracker/CVE-2020-35653
- https://ubuntu.com/security/CVE-2020-35653
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-69.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD
Frequently Asked Questions
What is the vulnerability ID of this flaw in python-pillow?
The vulnerability ID of this flaw in python-pillow is CVE-2020-35653.
What is the severity level of CVE-2020-35653?
CVE-2020-35653 has a severity level of high.
How does CVE-2020-35653 impact system availability?
The highest threat from CVE-2020-35653 is to system availability.
Which versions of python-pillow are affected by CVE-2020-35653?
Versions up to and excluding 8.1.0 of python-pillow are affected by CVE-2020-35653.
How can I fix CVE-2020-35653?
To fix CVE-2020-35653, you need to update python-pillow to version 8.1.0 or later.
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