Bug 1347085 (CVE-2016-6250)
| Summary: | CVE-2016-6250 libarchive: Buffer overflow when writing large iso9660 containers | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Doran Moppert <dmoppert> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | anemec, ndevos, praiskup, sardella, slawomir |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libarchive 3.2.1 | Doc Type: | Bug Fix |
| Doc Text: |
A vulnerability was found in libarchive. An attempt to create an ISO9660 volume with 2GB or 4GB filenames could cause the application to crash.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-10-18 04:56:46 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: | 1352776, 1353065, 1353066 | ||
| Bug Blocks: | 1334215 | ||
Created libarchive tracking bugs for this issue: Affects: fedora-all [bug 1352776] *** Bug 1358366 has been marked as a duplicate of this bug. *** CVE request: http://seclists.org/oss-sec/2016/q3/114 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2016:1844 https://rhn.redhat.com/errata/RHSA-2016-1844.html |
The ISO9660 writer is subject to integer overflows when verifying the filename size. This can lead to a crash when writing ISO9660 images with 2GB or 4GB filenames. External references: https://github.com/libarchive/libarchive/files/295073/libarchiveOverflow.txt https://github.com/libarchive/libarchive/issues/711 Upstream fix: https://github.com/libarchive/libarchive/commit/3014e198