CVE-2015-3223

Publication date 16 December 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

Read the notes from the security team

Status

Package Ubuntu Release Status
ldb 17.04 zesty
Fixed 2:1.1.24-1ubuntu1
16.10 yakkety
Fixed 2:1.1.24-1ubuntu1
16.04 LTS xenial
Fixed 2:1.1.24-1ubuntu1
15.10 wily
Fixed 2:1.1.20-2ubuntu0.1
15.04 vivid
Fixed 1:1.1.18-1ubuntu0.1
14.04 LTS trusty
Fixed 1:1.1.16-1ubuntu0.1
12.04 LTS precise
Fixed 1:1.1.4-1ubuntu0.1
samba 17.04 zesty
Fixed 2:4.3.3+dfsg-1ubuntu1
16.10 yakkety
Fixed 2:4.3.3+dfsg-1ubuntu1
16.04 LTS xenial
Fixed 2:4.3.3+dfsg-1ubuntu1
15.10 wily
Fixed 2:4.1.17+dfsg-4ubuntu3.1
15.04 vivid
Fixed 2:4.1.13+dfsg-4ubuntu3.1
14.04 LTS trusty
Fixed 2:4.1.6+dfsg-1ubuntu2.14.04.11
12.04 LTS precise
Not affected
samba4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Notes

mdeslaur

says 4.0.0 to 4.3.2, need to check precise may require ldb update

Patch details

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

Package Patch details
samba

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

Other references