CVE-2021-34552: Buffer Overflow
First published: Tue Jul 13 2021(Updated: )
Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python Pillow | >=1.0<=1.1.7 | |
| Python Pillow | >=1.2<=8.2.0 | |
| Debian Debian Linux | =9.0 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| redhat/python-pillow | <0:5.1.1-16.el8 | 0:5.1.1-16.el8 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ/
- https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow
- https://pillow.readthedocs.io/en/stable/releasenotes/index.html
- https://security.gentoo.org/glsa/202211-10
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1982379
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1982380
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1982381
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1982382
- https://github.com/python-pillow/Pillow/commit/518ee3722a99d7f7d890db82a20bd81c1c0327fb
- https://github.com/python-pillow/Pillow/commit/5f4504bb03f4edeeef8c2633dc5ba03a4c2a8a97
- https://access.redhat.com/errata/RHSA-2021:3917
- https://access.redhat.com/security/cve/cve-2021-34552
- https://access.redhat.com/errata/RHSA-2021:4149
- https://bugzilla.redhat.com/show_bug.cgi?id=1982378
- https://www.cve.org/CVERecord?id=CVE-2021-34552 https://nvd.nist.gov/vuln/detail/CVE-2021-34552 https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow
Frequently Asked Questions
What is the vulnerability ID for this flaw in python-pillow?
The vulnerability ID for this flaw in python-pillow is CVE-2021-34552.
What is the severity rating of CVE-2021-34552?
The severity rating of CVE-2021-34552 is medium with a score of 5.9.
Which functions in python-pillow are affected by CVE-2021-34552?
The "convert()" and "ImagingConvertTransparent()" functions in Convert.c are affected by CVE-2021-34552.
What is the impacted software due to CVE-2021-34552?
The impacted software is python-pillow versions 0:5.1.1-16.el8 and versions up to, but excluding, 8.3.0.
Where can I find more information about CVE-2021-34552?
You can find more information about CVE-2021-34552 at the following references: [CVE-2021-34552](https://www.cve.org/CVERecord?id=CVE-2021-34552), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-34552), [Pillow Release Notes](https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow), [Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1982378), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2021:4149).
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