Alpine: multiple apache2 packages: security update to 2.2.21-r2 (deprecated)

critical Tenable Cloud Security Plugin ID 401340

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through
2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain
privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP
request header, leading to a heap-based buffer overflow. (CVE-2011-3607)

See Also

https://git.alpinelinux.org/aports/commit/?id=ae01bbf1922a43ecd3260657195683b69461c464

https://git.alpinelinux.org/aports/commit/?id=e2e255c03845c49b0e24925cf4b307972b1731f9

Plugin Details

Severity: Critical

ID: 401340

Version: Revision 1.24

Type: Local

Published: 8/16/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.99

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2011-3607

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/31/2012

Vulnerability Publication Date: 5/10/2011

Reference Information

CVE: CVE-2011-3607

BID: 50494

IAVA: 2012-A-0017-S