Bug 1332802 (CVE-2016-3718)
| Summary: | CVE-2016-3718 ImageMagick: SSRF vulnerability | ||
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| Product: | [Other] Security Response | Reporter: | Andrej Nemec <anemec> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | abhgupta, dmcphers, ethan, jhorak, jialiu, jokerman, kseifried, lmeyer, mmccomas, nmurray, pahan, sardella, slawomir, tiwillia |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
A server-side request forgery flaw was discovered in the way ImageMagick processed certain images. A remote attacker could exploit this flaw to mislead an application using ImageMagick or an unsuspecting user using the ImageMagick utilities into, for example, performing HTTP(S) requests or opening FTP sessions via specially crafted images.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-06-02 12:59:33 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: | 1332638, 1332639, 1332640, 1332641, 1332695, 1332804, 1332930, 1332938, 1332939, 1332941, 1332942, 1332943 | ||
| Bug Blocks: | 1332507 | ||
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Description
Andrej Nemec
2016-05-04 06:46:47 UTC
Created ImageMagick tracking bugs for this issue: Affects: fedora-all [bug 1332804] Mitigation: Details can be found under the resolve tab at https://access.redhat.com/security/vulnerabilities/2296071 Red Hat Enterprise Linux 6 and 7 ================================ As a workaround the /etc/ImageMagick/policy.xml file can be edited to disable processing of MVG, HTTPS, HTTP, URL, FTP, EPHEMERAL, MSL, LABEL, TEXT, SHOW, WIN and PLT commands within image files, simply add the following lines: <policy domain="coder" rights="none" pattern="EPHEMERAL" /> <policy domain="coder" rights="none" pattern="HTTPS" /> <policy domain="coder" rights="none" pattern="HTTP" /> <policy domain="coder" rights="none" pattern="URL" /> <policy domain="coder" rights="none" pattern="FTP" /> <policy domain="coder" rights="none" pattern="MVG" /> <policy domain="coder" rights="none" pattern="MSL" /> <policy domain="coder" rights="none" pattern="TEXT" /> <policy domain="coder" rights="none" pattern="LABEL" /> <policy domain="coder" rights="none" pattern="SHOW" /> <policy domain="coder" rights="none" pattern="WIN" /> <policy domain="coder" rights="none" pattern="PLT" /> <policy domain="path" rights="none" pattern="@*" /> within the policy map stanza: <policymap> ... </policymap> Red Hat Enterprise Linux 5 ========================== In the following folders: /usr/lib64/ImageMagick-6.2.8/modules-Q16/coders/ (64bit package) or /usr/lib/ImageMagick-6.2.8/modules-Q16/coders/ (32bit package) Rename the following files: * mvg.so to mvg.so.bak * msl.so to msl.so.bak * label.so to label.so.bak This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2016:0726 https://rhn.redhat.com/errata/RHSA-2016-0726.html |