AT&T Xmill 0.7 XML Decompression UncompressItem heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in AT&T Xmill 0.7. Affected by this vulnerability is the function EnumerationUncompressor::UncompressItem of the component XML Decompression Handler. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2021-21829. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in AT&T Xmill 0.7 and classified as critical. This issue affects the function EnumerationUncompressor::UncompressItem of the component XML Decompression Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 08/14/2021 as TALOS-2021-1292. It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2021-21829. Technical details of the vulnerability are known, but there is no available exploit.

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

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

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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

01/04/2021 🔍
08/14/2021 +221 days 🔍
08/14/2021 +0 days 🔍
08/18/2021 +4 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1292
Status: Not defined

CVE: CVE-2021-21829 (🔍)
GCVE (CVE): GCVE-0-2021-21829
GCVE (VulDB): GCVE-100-180851

Entryinfo

Created: 08/14/2021 08:21
Updated: 08/18/2021 10:04
Changes: 08/14/2021 08:21 (38), 08/18/2021 10:04 (2)
Complete: 🔍
Cache ID: 216::103

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

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