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Bug 628184

Summary: <app-arch/rar-5.5.0_p20170811: multiple vulnerabilities
Product: Gentoo Security Reporter: GLSAMaker/CVETool Bot <glsamaker>
Component: VulnerabilitiesAssignee: Gentoo Security <security>
Severity: normal CC: whissi
Priority: Normal Flags: stable-bot: sanity-check+
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard: B2 [glsa cve]
Package list:
Runtime testing required: ---
Bug Depends on:    
Bug Blocks: 628178    

Description GLSAMaker/CVETool Bot gentoo-dev 2017-08-18 14:45:17 UTC
CVE-2017-12940 (
  libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the
  EncodeFileName::Decode call within the Archive::ReadHeader15 function.

CVE-2017-12941 (
  libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the
  Unpack::Unpack20 function.

CVE-2017-12942 (
  libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ
Comment 1 Thomas Deutschmann gentoo-dev 2017-08-18 14:54:55 UTC
It is currently not clear if these bugs are already fixed in latest upstream release rar-5.5.0.
Comment 2 Thomas Deutschmann gentoo-dev 2017-08-18 15:27:29 UTC
Vulnerabilities appear to be fixed in >=app-arch/rar-5.5.0_p20170811, PoCs don't work anymore/are now handled as expected.

@ Arches,

please test and mark stable: =app-arch/rar-5.5.0_p20170811
Comment 3 Thomas Deutschmann gentoo-dev 2017-08-18 19:15:23 UTC
amd64 & x86 stable
Comment 4 Larry the Git Cow gentoo-dev 2017-09-25 17:40:56 UTC
The bug has been referenced in the following commit(s):

commit 8ce6fd017dfc8fb475d680d63d6d8264226ddc1f
Author:     Thomas Deutschmann <>
AuthorDate: 2017-09-25 17:40:44 +0000
Commit:     Thomas Deutschmann <>
CommitDate: 2017-09-25 17:40:44 +0000

    app-arch/rar: Security cleanup
    Package-Manager: Portage-2.3.10, Repoman-2.3.3

 app-arch/rar/Manifest                         |   9 ---
 app-arch/rar/rar-5.5.0_beta4_p20170628.ebuild | 109 --------------------------
 app-arch/rar/rar-5.5.0_beta5_p20170706.ebuild | 109 --------------------------
 app-arch/rar/rar-5.5.0_beta6_p20170725.ebuild | 109 --------------------------
 4 files changed, 336 deletions(-)}
Comment 5 GLSAMaker/CVETool Bot gentoo-dev 2017-09-25 21:50:37 UTC
This issue was resolved and addressed in
 GLSA 201709-24 at
by GLSA coordinator Aaron Bauman (b-man).