Bug 1958252 (CVE-2021-28676)
| Summary: | CVE-2021-28676 python-pillow: Infinite loop in FLI image reader | ||
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| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | bdettelb, cheimes, cstratak, kaycoth, manisandro, miminar, orion, paul, python-maint, tomckay, torsava |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | python-pillow-8.2.0 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in python-pillow. FliDecode.c did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load. This issue dates to the PIL fork. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-11-09 18:51:38 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1958253, 1958254, 1958255, 1958256, 1959683, 1962538, 1962539 | ||
| Bug Blocks: | 1958269 | ||
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Description
Guilherme de Almeida Suckevicz
2021-05-07 14:06:13 UTC
Created mingw-python-pillow tracking bugs for this issue: Affects: fedora-all [bug 1958256] Created python-pillow tracking bugs for this issue: Affects: fedora-all [bug 1958253] Created python2-pillow tracking bugs for this issue: Affects: fedora-all [bug 1958254] Created python3-pillow tracking bugs for this issue: Affects: epel-7 [bug 1958255] Mitigation: To mitigate this feature on Red Hat Quay keep the invoice generation feature disabled, as it is by default. Upstream patch: https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:4149 https://access.redhat.com/errata/RHSA-2021:4149 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-28676 |