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CVE-2017-6419

Publication date 6 August 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.8 · High

Score breakdown

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

Read the notes from the security team

Status

Package Ubuntu Release Status
clamav 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Fixed 0.99.2+addedllvm-0ubuntu0.14.04.2
libmspack 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty
Fixed 0.5-1ubuntu0.17.04.1
16.04 LTS xenial
Fixed 0.5-1ubuntu0.16.04.1
14.04 LTS trusty
Vulnerable

Notes


mdeslaur

clamav in xenial+ uses the system libmspack, trusty uses the embedded one.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
clamav
libmspack

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3393-2
    • ClamAV vulnerabilities
    • 17 August 2017
    • USN-3393-1
    • ClamAV vulnerabilities
    • 17 August 2017
    • USN-3394-1
    • libmspack vulnerabilities
    • 17 August 2017

Other references