ASUS Rt-n56u 3.0.0.4..374 979 Installation web.c apps_flag memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in ASUS Rt-n56u 3.0.0.4..374 979. It has been classified as critical. Affected by this issue is some unknown functionality of the file web.c of the component Installation. The manipulation of the argument apps_flag leads to memory corruption. This vulnerability is referenced as CVE-2013-6343. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in ASUS Rt-n56u 3.0.0.4..374 979 and classified as very critical. This issue affects an unknown code block of the file web.c of the component Installation. The manipulation of the argument apps_flag 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 confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in web.c in httpd on the ASUS RT-N56U and RT-AC66U routers with firmware 3.0.0.4.374_979 allow remote attackers to execute arbitrary code via the (1) apps_name or (2) apps_flag parameter to APP_Installation.asp.

The weakness was published 01/22/2014 by Jacob Holcomb (Website). It is possible to read the advisory at infosec42.blogspot.com. The identification of this vulnerability is CVE-2013-6343 since 11/01/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/24/2024).

A public exploit has been developed by Jacob Holcomb and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (31033), SecurityFocus (BID 65046†) and OSVDB (102267†). Similar entries are available at VDB-72805 and VDB-73537. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Jacob Holcomb
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/01/2013 🔍
01/19/2014 +79 days 🔍
01/19/2014 +0 days 🔍
01/21/2014 +2 days 🔍
01/22/2014 +1 days 🔍
01/22/2014 +0 days 🔍
03/24/2015 +426 days 🔍
07/24/2024 +3410 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: infosec42.blogspot.com
Researcher: Jacob Holcomb
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6343 (🔍)
GCVE (CVE): GCVE-0-2013-6343
GCVE (VulDB): GCVE-100-66155
SecurityFocus: 65046 - ASUS RT-N56U 'apps_name' and 'apps_flag' Parameters Buffer Overflow Vulnerability
OSVDB: 102267

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 07/24/2024 15:59
Changes: 03/24/2015 15:54 (47), 02/28/2018 08:04 (17), 07/24/2024 15:59 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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