Bug 1600367 (CVE-2018-13440)
Summary: | CVE-2018-13440 audiofile: NULL pointer dereference in ModuleState::setup() in modules/ModuleState.cpp allows for denial of service via crafted file | ||
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Product: | [Other] Security Response | Reporter: | Sam Fowler <sfowler> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | low | Docs Contact: | |
Priority: | low | ||
Version: | unspecified | CC: | ajax, alexl, john.j5live, mclasen, rhughes, rstrode, sandmann, wtaymans |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2020-09-29 21:57:12 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: | 1600368, 1600369, 1601014 | ||
Bug Blocks: | 1600371 |
Description
Sam Fowler
2018-07-12 05:45:25 UTC
Created audiofile tracking bugs for this issue: Affects: fedora-all [bug 1600368] Reproduced with audiofile-0.3.6-15.fc27.x86_64 on F27: sh-4.4# ASAN_OPTIONS=allocator_may_return_null=1 sfconvert poc output format aiff 2>&1 | ./asan_symbolize.py -d Audio File Library: IMA type not set [error 47] ASAN:DEADLYSIGNAL ================================================================= ==116==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f032234d3ef bp 0x7ffcc09153f0 sp 0x7ffcc0915240 T0) ==116==The signal is caused by a READ memory access. ==116==Hint: address points to the zero page. #0 0x7f032234d3ee in ModuleState::setup(_AFfilehandle*, Track*) /usr/src/debug/audiofile-0.3.6-15.fc27.x86_64/libaudiofile/modules/ModuleState.cpp:143 #1 0x7f032234d3ee in ?? ??:0 #1 0x7f0322337a1a in afGetFrameCount (/lib64/libaudiofile.so.1+0x69a1a) #2 0x402bfd in ?? /usr/src/debug/audiofile-0.3.6-15.fc27.x86_64/sfcommands/sfconvert.c:359 #3 0x402bfd in ?? ??:0 #4 0x402844 in ?? /usr/src/debug/audiofile-0.3.6-15.fc27.x86_64/sfcommands/sfconvert.c:275 #5 0x402844 in ?? ??:0 #4 0x7f0321cdff29 in __libc_start_main (/lib64/libc.so.6+0x20f29) #6 0x401529 in ?? ??:0 #7 0x401529 in ?? ??:0 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (/lib64/libaudiofile.so.1+0x7f3ee) ==116==ABORTING RHEL7 segfaults with the POC. RHEL5/6 do not appear vulnerable as the version of audiofile shipped did not yet support CAFF files. See units.c in RHEL5/6 and units.cpp in RHEL7 release. Statement: Red Hat Product Security has rated this issue as having a security impact of Low, and a future update may address this flaw. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:3877 https://access.redhat.com/errata/RHSA-2020:3877 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-2018-13440 |