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CVE-2021-29949

Quick assessment

Affected
Mozilla Thunderbird
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Thunderbird 存在安全漏洞，攻击者可利用该漏洞执行任意代码。

AI Predicted 5.4 Difficulty: Moderate EPSS 0.32% · P24

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1574.002
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I. Basic Information for CVE-2021-29949

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When loading the shared library that provides the OTR protocol implementation, Thunderbird will initially attempt to open it using a filename that isn't distributed by Thunderbird. If a computer has already been infected with a malicious library of the alternative filename, and the malicious library has been copied to a directory that is contained in the search path for executable libraries, then Thunderbird will load the incorrect library. This vulnerability affects Thunderbird < 78.9.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Thunderbird 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Thunderbird 存在安全漏洞，攻击者可利用该漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Thunderbird unspecified ~ 78.9.1 -

II. Public POCs for CVE-2021-29949

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III. Intelligence Information for CVE-2021-29949

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Vendor Advisories for CVE-2021-29949 (2)

Same Patch Batch · Mozilla · 2021-06-24 · 37 CVEs total

CVE-2021-23999 Mozilla Firefox 安全漏洞
CVE-2021-29948 Mozilla Thunderbird 竞争条件问题漏洞
CVE-2021-29947 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29946 Mozilla Firefox 输入验证错误漏洞
CVE-2021-29945 Mozilla Thunderbird 安全漏洞
CVE-2021-29944 Mozilla Firefox 和 Thunderbird 跨站脚本漏洞
CVE-2021-24002 Mozilla Thunderbird 注入漏洞
CVE-2021-24001 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-24000 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29950 Mozilla Thunderbird 安全漏洞
CVE-2021-23998 Mozilla Firefox 数据伪造问题漏洞
CVE-2021-23997 Mozilla Firefox 资源管理错误漏洞
CVE-2021-23996 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-23995 Mozilla Thunderbird 资源管理错误漏洞
CVE-2021-23994 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23993 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23992 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23991 Mozilla Thunderbird 安全漏洞
CVE-2021-29959 Mozilla Firefox权限许可和访问控制问题漏洞
CVE-2021-29967 Mozilla Firefox 缓冲区错误漏洞

Showing top 20 of 37 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Thunderbird
Same vendor: Mozilla

V. Comments for CVE-2021-29949

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