Mozilla Thunderbird up to 91.4 CSS Filter heap-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $5k-$25k | 0.00 |
A vulnerability was found in Mozilla Thunderbird up to 91.4 (Mail Client Software). It has been declared as problematic. This vulnerability affects an unknown part of the component CSS Filter Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect availability.
The weakness was disclosed 01/11/2022 by Atte Kettunen as Bug 1742382 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:
Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash.This vulnerability was named CVE-2022-22738. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/29/2022).
Upgrading to version 91.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Thunderbird 91.5
Timeline
01/07/2022 🔍01/11/2022 🔍
01/11/2022 🔍
09/29/2022 🔍
10/25/2022 🔍
Sources
Vendor: mozilla.orgAdvisory: Bug 1742382
Researcher: Atte Kettunen
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2022-22738 (🔍)
Entry
Created: 09/29/2022 15:39Updated: 10/25/2022 16:56
Changes: 09/29/2022 15:39 (18), 09/29/2022 15:42 (28), 10/25/2022 16:56 (1)
Complete: 🔍
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