AT&T Xmill 0.7 XML Decompression CurPath::AddLabel heap-based overflow

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

A vulnerability classified as critical has been found in AT&T Xmill 0.7. Affected is the function CurPath::AddLabel of the component XML Decompression Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 08/21/2021 as TALOS-2021-1291. The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2021-21828. Successful exploitation requires user interaction by the victim. 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.

Similar entries are available at VDB-181258 and VDB-181259.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
08/21/2021 +228 days 🔍
08/21/2021 +0 days 🔍
08/25/2021 +4 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1291
Status: Not defined

CVE: CVE-2021-21828 (🔍)
See also: 🔍

Entryinfo

Created: 08/21/2021 08:29 AM
Updated: 08/25/2021 04:39 PM
Changes: 08/21/2021 08:29 AM (38), 08/25/2021 04:39 PM (2)
Complete: 🔍
Cache ID: 44:433:40

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