Red Hat Enterprise Linux Squid Proxy cachemgr.cgi munge_other_line memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
A vulnerability classified as very critical has been found in Red Hat Enterprise Linux (Operating System) (version unknown). Affected is the function munge_other_line
of the file cachemgr.cgi of the component Squid Proxy. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
The weakness was published 08/10/2016 (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is traded as CVE-2016-5408 since 06/10/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/13/2022).
The vulnerability scanner Nessus provides a plugin with the ID 92747 (Oracle Linux 6 : squid (ELSA-2016-1573)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350874 (Amazon Linux Security Advisory for squid: ALAS-2016-735).
Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (92747). Similar entries are available at 91353, 91755, 91756 and 91758.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
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Current Price Estimation: 🔍
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Nessus ID: 92747
Nessus Name: Oracle Linux 6 : squid (ELSA-2016-1573)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 863930
OpenVAS Name: Amazon Linux Local Check: alas-2016-735
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
06/10/2016 🔍08/04/2016 🔍
08/05/2016 🔍
08/10/2016 🔍
08/10/2016 🔍
08/11/2016 🔍
09/13/2022 🔍
Sources
Vendor: redhat.comAdvisory: RHSA-2016:1138
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-5408 (🔍)
See also: 🔍
Entry
Created: 08/11/2016 10:22Updated: 09/13/2022 17:20
Changes: 08/11/2016 10:22 (64), 03/24/2019 08:13 (11), 09/13/2022 17:13 (3), 09/13/2022 17:20 (1)
Complete: 🔍
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