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Medium severity · published Jul 30, 2021
CVE-2021-37746
textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click
6.1
CVSS
1.2%
EPSS
No
On KEV
Description
textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Claws-mail · Claws-mail
before 3.18.0 · source: NVD
FE
Fedora · Fedoraproject
33; 34 · source: NVD
SY
Sylpheed · Sylpheed Project
through 3.7.0 · source: NVD
Affected product
CL
Claws-mail
Claws-mail
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37746
Patch
https://claws-mail.org/download.php?file=releases/claws-mail-3.18.0.tar.xz
git.claws-mail.org
https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=ac286a71ed78429e16c612161251b9ea90ccd431
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2QNUIWASJLPUZZKWICGCEGYJZCQE7NH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCJXHUSYHGVBSH2ULD7HNXLM7QNRECZ6/
Patch
https://sylpheed.sraoss.jp/sylpheed/v3.7/sylpheed-3.7.0.tar.xz
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