SSSD prior 1.0.0 Security Service ssh_cmd_parse_request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in SSSD. This affects the function ssh_cmd_parse_request of the component Security Service. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2013-0220. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SSSD. Affected by this issue is the function ssh_cmd_parse_request of the component Security Service. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. CVE summarizes:

The (1) sss_autofs_cmd_getautomntent and (2) sss_autofs_cmd_getautomntbyname function in responder/autofs/autofssrv_cmd.c and the (3) ssh_cmd_parse_request function in responder/ssh/sshsrv_cmd.c in System Security Services Daemon (SSSD) before 1.9.4 allow remote attackers to cause a denial of service (out-of-bounds read, crash, and restart) via a crafted SSSD packet.

The weakness was disclosed 02/24/2013 by Florian Weimer (Website). The advisory is shared for download at fedorahosted.org. This vulnerability is handled as CVE-2013-0220 since 12/06/2012. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 65142 (CentOS 6 : sssd (CESA-2013:0508)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120968 (Red Hat Update for SSSD (RHSA-2013:0508)).

Upgrading to version 1.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (81509), Tenable (65142), SecurityFocus (BID 57539†), Secunia (SA51928†) and Vulnerability Center (SBV-38616†). The entry VDB-63631 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65142
Nessus Name: CentOS 6 : sssd (CESA-2013:0508)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881679
OpenVAS Name: CentOS Update for libipa_hbac CESA-2013:0508 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SSSD 1.0.0
Patch: git.fedorahosted.org

Timelineinfo

12/06/2012 🔍
01/23/2013 +48 days 🔍
01/24/2013 +1 days 🔍
02/24/2013 +31 days 🔍
02/24/2013 +0 days 🔍
03/04/2013 +8 days 🔍
03/24/2015 +750 days 🔍
12/29/2021 +2472 days 🔍

Sourcesinfo

Advisory: RHSA-2013:0508
Researcher: Florian Weimer
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0220 (🔍)
GCVE (CVE): GCVE-0-2013-0220
GCVE (VulDB): GCVE-100-63632

OVAL: 🔍

X-Force: 81509
SecurityFocus: 57539 - SSSD Multiple Denial of Service Vulnerabilities
Secunia: 51928
Vulnerability Center: 38616 - SSSD <1.9.4 Multiple Functions Allow Remote DoS via a Crafted SSSD Packet, High

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2021 14:29
Changes: 03/24/2015 12:22 (66), 04/25/2017 11:27 (7), 12/29/2021 14:23 (4), 12/29/2021 14:25 (1), 12/29/2021 14:29 (2)
Complete: 🔍
Cache ID: 216::103

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