Bug 1288451 (CVE-2015-7540)
Summary: | CVE-2015-7540 samba: DoS to AD-DC due to insufficient checking of asn1 memory allocation | ||
---|---|---|---|
Product: | [Other] Security Response | Reporter: | Adam Mariš <amaris> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | aavati, asn, gdeschner, jrivera, jrusnack, ksiddiqu, nlevinki, osoukup, rfortier, sbose, security-response-team, sgirijan, slong, smohan, ssaha, vbellur |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | samba 4.1.22, samba 4.2.0 | Doc Type: | Bug Fix |
Doc Text: |
A denial of service flaw was found in the LDAP server provided by the AD DC in the Samba process daemon. A remote attacker could exploit this flaw by sending a specially crafted packet, which could cause the server to consume an excessive amount of memory and crash.
|
Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2016-01-08 12:19:12 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: | 1290708, 1290709, 1290710, 1290711, 1290727, 1292069 | ||
Bug Blocks: | 1281327, 1288454 |
Description
Adam Mariš
2015-12-04 09:40:33 UTC
Created samba tracking bugs for this issue: Affects: fedora-all [bug 1292069] External References: https://www.samba.org/samba/security/CVE-2015-7540.html Upstream fixes as applied to 4.1.22: https://git.samba.org/?p=samba.git;a=commitdiff;h=530d50a1abdcdf4d1775652d4c456c1274d83d8d https://git.samba.org/?p=samba.git;a=commitdiff;h=9d989c9dd7a5b92d0c5d65287935471b83b6e884 Upstream advisory also indicates that newer samba versions (4.2+) were already fixed in Sep 2014. This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2016:0010 https://rhn.redhat.com/errata/RHSA-2016-0010.html This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2016:0006 https://rhn.redhat.com/errata/RHSA-2016-0006.html This issue has been addressed in the following products: Red Hat Gluster Storage 3.1 for RHEL 6 Via RHSA-2016:0015 https://rhn.redhat.com/errata/RHSA-2016-0015.html |