CVE-2020-35654: Buffer Overflow
First published: Sun Jan 03 2021(Updated: )
A flaw was found in python-pillow. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python Pillow | <8.1.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| redhat/python-pillow | <8.1.0 | 8.1.0 |
| pip/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 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-35654 https://nvd.nist.gov/vuln/detail/CVE-2020-35654 https://pillow.readthedocs.io/en/stable/releasenotes/8.1.0.html#security
- https://bugzilla.redhat.com/show_bug.cgi?id=1915424
- https://access.redhat.com/errata/RHSA-2021:3917
- https://access.redhat.com/security/cve/CVE-2020-35654
- 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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/
- https://pillow.readthedocs.io/en/stable/releasenotes/index.html
- https://launchpad.net/bugs/cve/CVE-2020-35654
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.0.html#security
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1915425
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1915427
- https://github.com/python-pillow/Pillow/commit/eb8c1206d6b170d4e798a00db7432e023853da5c
- https://access.redhat.com/security/cve/cve-2020-35654
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/
- https://nvd.nist.gov/vuln/detail/CVE-2020-35654
- 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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ
- https://github.com/advisories/GHSA-vqcj-wrf2-7v73 (Advisory)
- https://github.com/python-pillow/Pillow/pull/5175
- https://github.com/python-pillow/Pillow/commit/e91b851fdc1c914419543f485bdbaa010790719f
- https://security-tracker.debian.org/tracker/CVE-2020-35654
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35654
- https://ubuntu.com/security/CVE-2020-35654
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-70.yaml
Frequently Asked Questions
What is CVE-2020-35654?
CVE-2020-35654 is a vulnerability in python-pillow that allows a heap-based buffer overflow when decoding crafted YCbCr files.
What is the severity of CVE-2020-35654?
The severity of CVE-2020-35654 is considered critical with a CVSS score of 9.8.
How does CVE-2020-35654 impact system security?
CVE-2020-35654 poses a threat to data confidentiality and integrity, as well as system availability.
Which software versions are affected by CVE-2020-35654?
Pillow versions up to and excluding 8.1.0 are affected by CVE-2020-35654.
How can I mitigate the vulnerability in python-pillow?
To mitigate the vulnerability in python-pillow, upgrade to version 8.1.0 or later.
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