CVE-2011-0719 Denial of service in n/a
Remote attackers can cause a denial of service in Samba by opening many files, leading to crashes or infinite loops.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0719?
CVE-2011-0719 is a medium-severity denial of service vulnerability in Samba Samba, published on 1 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Samba 3.x before 3.3.15, 3.4.x before 3.4.12, and 3.5.x before 3.5.7 does not perform range checks for file descriptors before use of the FD_SET macro, which allows remote attackers to cause a denial of service (stack memory corruption, and infinite loop or daemon crash) by opening a large number of files, related to (1) Winbind or (2) smbd.
Weakness: CWE-119
Which versions are affected by CVE-2011-0719?
It affects 1 product.
Linux distribution packages (40)
samba Red Hat:enterprise_linux:4::as | All versions | 0:3.0.33-0.30.el4 |
samba-client Red Hat:enterprise_linux:4::as | All versions | 0:3.0.33-0.30.el4 |
samba-common Red Hat:enterprise_linux:4::as | All versions | 0:3.0.33-0.30.el4 |
samba-debuginfo Red Hat:enterprise_linux:4::as | All versions | 0:3.0.33-0.30.el4 |
samba-swat Red Hat:enterprise_linux:4::as | All versions | 0:3.0.33-0.30.el4 |
samba Red Hat:enterprise_linux:4::desktop | All versions | 0:3.0.33-0.30.el4 |
samba-client Red Hat:enterprise_linux:4::desktop | All versions | 0:3.0.33-0.30.el4 |
samba-common Red Hat:enterprise_linux:4::desktop | All versions | 0:3.0.33-0.30.el4 |
samba-debuginfo Red Hat:enterprise_linux:4::desktop | All versions | 0:3.0.33-0.30.el4 |
samba-swat Red Hat:enterprise_linux:4::desktop | All versions | 0:3.0.33-0.30.el4 |
samba Red Hat:enterprise_linux:4::es | All versions | 0:3.0.33-0.30.el4 |
samba-client Red Hat:enterprise_linux:4::es | All versions | 0:3.0.33-0.30.el4 |
samba-common Red Hat:enterprise_linux:4::es | All versions | 0:3.0.33-0.30.el4 |
samba-debuginfo Red Hat:enterprise_linux:4::es | All versions | 0:3.0.33-0.30.el4 |
samba-swat Red Hat:enterprise_linux:4::es | All versions | 0:3.0.33-0.30.el4 |
samba Red Hat:enterprise_linux:4::ws | All versions | 0:3.0.33-0.30.el4 |
samba-client Red Hat:enterprise_linux:4::ws | All versions | 0:3.0.33-0.30.el4 |
samba-common Red Hat:enterprise_linux:4::ws | All versions | 0:3.0.33-0.30.el4 |
samba-debuginfo Red Hat:enterprise_linux:4::ws | All versions | 0:3.0.33-0.30.el4 |
samba-swat Red Hat:enterprise_linux:4::ws | All versions | 0:3.0.33-0.30.el4 |
libsmbclient Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
libsmbclient-devel Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba-client Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba-common Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba-swat Red Hat:enterprise_linux:5::server | All versions | 0:3.0.33-3.29.el5_6.2 |
samba3x Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-client Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-common Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-doc Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-domainjoin-gui Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-swat Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-winbind Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
samba3x-winbind-devel Red Hat:enterprise_linux:5::server | All versions | 0:3.5.4-0.70.el5_6.1 |
libsmbclient Red Hat:enterprise_linux:6::client | All versions | 0:3.5.4-68.el6_0.2 |
libsmbclient-devel Red Hat:enterprise_linux:6::client | All versions | 0:3.5.4-68.el6_0.2 |
samba Red Hat:enterprise_linux:6::client | All versions | 0:3.5.4-68.el6_0.2 |
samba-client Red Hat:enterprise_linux:6::client | All versions | 0:3.5.4-68.el6_0.2 |
Products include Samba Samba.
How do I fix CVE-2011-0719?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-0719 being exploited?
There is no known exploitation of CVE-2011-0719 in the wild and no public exploit code.
Other vulnerabilities in Samba Samba
Sources
Also known as DEBIAN-CVE-2011-0719, DSA-2175-1, ECHO-7fb9-499c-305c, GHSA-px2g-jrgw-pwrg, RHSA-2011:0305, RHSA-2011:0306.