Bug 1704762 (CVE-2019-10131)
| Summary: | CVE-2019-10131 ImageMagick: off-by-one read in formatIPTCfromBuffer function in coders/meta.c | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Riccardo Schirone <rschiron> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | apmukher, fedora, jhorak, jss, klember, mike, pahan |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | ImageMagick 7.0.7-28, ImageMagick 6.9.9-40 | Doc Type: | If docs needed, set a value |
| Doc Text: |
An off-by-one read vulnerability was discovered in ImageMagick in the formatIPTCfromBuffer function in coders/meta.c. A local attacker may use this flaw to read beyond the end of the buffer or to crash the program.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-03-31 22:33:58 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: | 1708634, 1708635 | ||
| Bug Blocks: | 1704783 | ||
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Description
Riccardo Schirone
2019-04-30 13:06:48 UTC
Acknowledgments: Name: Riccardo Schirone (Red Hat Product Security) Valgrind output: $ valgrind -- convert ./poc /dev/null ==17934== Memcheck, a memory error detector ==17934== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==17934== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info ==17934== Command: convert ./poc /dev/null ==17934== ==17934== Invalid read of size 1 ==17934== at 0xF8D850D: formatIPTCfromBuffer (meta.c:2084) ==17934== by 0xF8D850D: format8BIM (meta.c:2227) ==17934== by 0xF8D8E36: WriteMETAImage (meta.c:2317) ==17934== by 0x4EC23CE: WriteImage (constitute.c:1229) ==17934== by 0x4EC2C91: WriteImages (constitute.c:1382) ==17934== by 0x5320FCA: ConvertImageCommand (convert.c:3051) ==17934== by 0x5388D2E: MagickCommandGenesis (mogrify.c:161) ==17934== by 0x400896: ConvertMain (convert.c:81) ==17934== by 0x400896: main (convert.c:92) ==17934== Address 0x9048feb is 0 bytes after a block of size 11 alloc'd ==17934== at 0x4C29BC3: malloc (vg_replace_malloc.c:299) ==17934== by 0xF8D8357: format8BIM (meta.c:2196) ==17934== by 0xF8D8E36: WriteMETAImage (meta.c:2317) ==17934== by 0x4EC23CE: WriteImage (constitute.c:1229) ==17934== by 0x4EC2C91: WriteImages (constitute.c:1382) ==17934== by 0x5320FCA: ConvertImageCommand (convert.c:3051) ==17934== by 0x5388D2E: MagickCommandGenesis (mogrify.c:161) ==17934== by 0x400896: ConvertMain (convert.c:81) ==17934== by 0x400896: main (convert.c:92) ==17934== The buffer is allocated in format8BIM() in coders/meta.c and but the invalid read of 1 byte happens in formatIPTCfromBuffer(). Created ImageMagick tracking bugs for this issue: Affects: fedora-all [bug 1708634] ImageMagick6 commit: https://github.com/ImageMagick/ImageMagick6/commit/7ccc28ee4c777d915f95919ac3bcf8adf93037a7 About time. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:1180 https://access.redhat.com/errata/RHSA-2020:1180 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-2019-10131 |