CVE-2021-29987
published 2021-08-17CVE-2021-29987: After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still…
PriorityP429medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.95%
56.7th percentile
After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 91.0-1 (sid) | firefox 91.0-1 (sid) |
| debian | thunderbird | < firefox 91.0-1 (sid) | firefox 91.0-1 (sid) |
| mozilla | firefox | < 91.0 | 91.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 91.0+build2-0ubuntu0.18.04.1 | 91.0+build2-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 91.0+build2-0ubuntu0.20.04.1 | 91.0+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 91 | 91 |
| mozilla | thunderbird | < 91.0 | 91.0 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.18.04.1 | 1:91.5.0+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.20.04.1 | 1:91.5.0+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= unspecified < 91 | 91 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.5MEDIUM
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2022-01-21·CVSS 8.8
CVE-2022-22742 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
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,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508,
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-08-11
CVE-2021-29984 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, trick a user into accepting unwanted permissions, or execute
arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2021-29987: firefox - After requesting multiple permissions, and closing the first permission panel, s...
vendor_debian·2021·CVSS 6.5
CVE-2021-29987 [MEDIUM] CVE-2021-29987: firefox - After requesting multiple permissions, and closing the first permission panel, s...
After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Scope: local
sid: resolved (fixed in 91.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-33: CVE-2021-29987
vendor_mozilla·CVSS 6.5
CVE-2021-29987 [MEDIUM] Mozilla Foundation Security Advisory 2021-33: CVE-2021-29987
Mozilla Foundation Security Advisory 2021-33
CVE: CVE-2021-29987
Product: Firefox
Impact: high
Fixed in: Firefox 91
Mozilla
Mozilla Foundation Security Advisory 2021-36: CVE-2021-29987
vendor_mozilla·CVSS 6.5
CVE-2021-29987 [MEDIUM] Mozilla Foundation Security Advisory 2021-36: CVE-2021-29987
Mozilla Foundation Security Advisory 2021-36
CVE: CVE-2021-29987
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91
GHSA
GHSA-h5xx-jcpx-5hr9: After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position
ghsa_unreviewed·2022-05-24
CVE-2021-29987 [MEDIUM] CWE-307 GHSA-h5xx-jcpx-5hr9: After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position
After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.
OSV
thunderbird vulnerabilities
osv·2022-01-21·CVSS 8.8
CVE-2021-4129 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
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,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508, CVE-2021-38509, CVE-2021-43534, CVE-2021-43535,
CVE-2021-43536, CVE
OSV
CVE-2021-29987: After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position
osv·2021-08-11·CVSS 6.5
CVE-2021-29987 [MEDIUM] CVE-2021-29987: After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position
After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1716129https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-33/https://www.mozilla.org/security/advisories/mfsa2021-36/https://bugzilla.mozilla.org/show_bug.cgi?id=1716129https://security.gentoo.org/glsa/202202-03https://www.mozilla.org/security/advisories/mfsa2021-33/https://www.mozilla.org/security/advisories/mfsa2021-36/
2021-08-17
Published