Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2011-1526

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Security Impact Summary

CVE-2011-1526 is a security vulnerability that . Impacting 7 products from mit, from debian, from fedoraproject and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-07-11T20:55:01.067

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mit	krb5-appl	< 1.0.1	Yes
Operating System	debian	debian_linux	5.0	Yes
Operating System	debian	debian_linux	6.0	Yes
Operating System	fedoraproject	fedora	14	Yes
Operating System	fedoraproject	fedora	15	Yes
Operating System	opensuse	opensuse	11.3	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	suse	linux_enterprise_desktop	10	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_software_development_kit	10	Yes
Operating System	suse	linux_enterprise_software_development_kit	11	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062681.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062699.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/45145 Third Party Advisory ([email protected])
http://secunia.com/advisories/45157 Third Party Advisory ([email protected])
http://secunia.com/advisories/48101 Third Party Advisory ([email protected])
http://securityreason.com/securityalert/8301 Third Party Advisory ([email protected])
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-005.txt Patch, Vendor Advisory ([email protected])
http://www.debian.org/security/2011/dsa-2283 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:117 Third Party Advisory ([email protected])
http://www.osvdb.org/73617 Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0920.html Third Party Advisory ([email protected])
http://www.securityfocus.com/archive/1/518733/100/0/threaded Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/48571 Patch, Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=711419 Issue Tracking, Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/68398 Third Party Advisory, VDB Entry ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062681.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062699.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45145 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/45157 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48101 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8301 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-005.txt Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2011/dsa-2283 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:117 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/73617 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0920.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/518733/100/0/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48571 Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=711419 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/68398 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mit's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.