Debian Linux 6.0/7.0/7.1 clone access control

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Debian Linux 6.0/7.0/7.1. This affects the function clone. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2013-4559. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Debian Linux 6.0/7.0/7.1 (Operating System) and classified as critical. This issue affects the function clone. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

lighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or (3) setgroups functions, which might cause lighttpd to run as root if it is restarted and allows remote attackers to gain privileges, as demonstrated by multiple calls to the clone function that cause setuid to fail when the user process limit is reached.

The weakness was disclosed 11/20/2013 (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2013-4559 since 06/12/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 72947 (Amazon Linux AMI : lighttpd (ALAS-2014-299)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350446 (Amazon Linux Security Advisory for lighttpd: ALAS-2014-299).

Upgrading to version 7.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (88878), Tenable (72947), SecurityFocus (BID 63688†), Secunia (SA55682†) and Vulnerability Center (SBV-43992†). The entries VDB-11097 and VDB-65508 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 72947
Nessus Name: Amazon Linux AMI : lighttpd (ALAS-2014-299)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892795
OpenVAS Name: Debian Security Advisory DSA 2795-2 (lighttpd - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Linux 7.1

Timelineinfo

06/12/2013 🔍
11/12/2013 +153 days 🔍
11/13/2013 +1 days 🔍
11/20/2013 +7 days 🔍
11/20/2013 +0 days 🔍
04/10/2014 +141 days 🔍
03/24/2015 +348 days 🔍
01/10/2022 +2484 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: dsa-2795
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4559 (🔍)
GCVE (CVE): GCVE-0-2013-4559
GCVE (VulDB): GCVE-100-65507

OVAL: 🔍

X-Force: 88878
SecurityFocus: 63688
Secunia: 55682 - Debian update for lighttpd, Not Critical
Vulnerability Center: 43992 - Lighttpd before 1.4.33 Remote Privileges Escalation due to Improper Check of Return Value of few Functions, High

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/10/2022 15:53
Changes: 03/24/2015 15:54 (70), 05/25/2017 10:18 (4), 01/10/2022 15:41 (3), 01/10/2022 15:47 (1), 01/10/2022 15:53 (1)
Complete: 🔍
Cache ID: 216:F3C:103

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