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CVE-2019-12900

Publication date 19 June 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

Read the notes from the security team

Status

Package Ubuntu Release Status
bzip2 19.04 disco
Fixed 1.0.6-9ubuntu0.19.04.1
18.10 cosmic
Fixed 1.0.6-9ubuntu0.18.10.1
18.04 LTS bionic
Fixed 1.0.6-8.1ubuntu0.2
16.04 LTS xenial
Fixed 1.0.6-8ubuntu0.2
14.04 LTS trusty
clamav 19.04 disco
Fixed 0.101.4+dfsg-0ubuntu0.19.04.1
18.04 LTS bionic
Fixed 0.101.4+dfsg-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 0.101.4+dfsg-0ubuntu0.16.04.1
14.04 LTS trusty

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Notes

leosilva

first fix cause a regression see LP: 1834494

alexmurray

clamav has a vendored copy of bzip2 which is used by the nulsft/nsis scanner. only affects clamav versions < 0.101.4

Patch details

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

Package Patch details
bzip2

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references