TRENDnet TEW-827DRU up to 2.06B04 SSI Binary apply.cgi auto_up_fw/auto_up_lp update_file_name out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in TRENDnet TEW-827DRU up to 2.06B04 and classified as critical. This affects the function auto_up_fw/auto_up_lp of the file apply.cgi of the component SSI Binary. Such manipulation of the argument update_file_name leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-14079. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in TRENDnet TEW-827DRU up to 2.06B04. Affected by this issue is the function auto_up_fw/auto_up_lp of the file apply.cgi of the component SSI Binary. The manipulation of the argument update_file_name with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action auto_up_fw (or auto_up_lp) with a sufficiently long update_file_name key.

The weakness was disclosed 06/15/2020. This vulnerability is handled as CVE-2020-14079 since 06/15/2020. The attack may be launched remotely. A simple authentication is needed for exploitation. There are known technical details, but no exploit is available.

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

The entries VDB-156694, VDB-156693, VDB-156691 and VDB-156690 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2020 🔍
06/15/2020 +0 days 🔍
06/15/2020 +0 days 🔍
06/15/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-14079 (🔍)
GCVE (CVE): GCVE-0-2020-14079
GCVE (VulDB): GCVE-100-156692
See also: 🔍

Entryinfo

Created: 06/15/2020 15:11
Updated: 06/15/2020 15:16
Changes: 06/15/2020 15:11 (39), 06/15/2020 15:16 (17)
Complete: 🔍
Cache ID: 216::103

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