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ubuntuUbuntuUSN-5058-1
HistoryAug 31, 2021 - 12:00 a.m.

Thunderbird vulnerabilities

2021-08-3100:00:00
ubuntu.com
109

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.5 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.014 Low

EPSS

Percentile

86.5%

Releases

  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • thunderbird - Mozilla Open Source mail and newsgroup client

Details

It was discovered that Thunderbird didn’t ignore IMAP server responses
prior to completion of the STARTTLS handshake. A person-in-the-middle
could potentially exploit this to trick Thunderbird into showing incorrect
information. (CVE-2021-29969)

Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service, or
execute arbitrary code. (CVE-2021-29970, CVE-2021-29976, CVE-2021-29980,
CVE-2021-29984, CVE-2021-29985, CVE-2021-29986, CVE-2021-29988,
CVE-2021-29989, CVE-2021-30547)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchthunderbird< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-dbg< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-dev< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-gnome-support< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-gnome-support-dbg< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-locale-af< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-locale-ar< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-locale-ast< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-locale-be< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Ubuntu21.04noarchthunderbird-locale-bg< 1:78.13.0+build1-0ubuntu0.21.04.2UNKNOWN
Rows per page:
1-10 of 2701

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.5 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.014 Low

EPSS

Percentile

86.5%