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Vulnerability details: VCID-9su2-39qu-aaaq
Vulnerability ID VCID-9su2-39qu-aaaq
Aliases CVE-2017-17843
Summary An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual High http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-17843.html
epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00204 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00427 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
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epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2017-17843
generic_textual High https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17843
generic_textual High https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17844
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17845
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17846
generic_textual High https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17847
generic_textual High https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17848
generic_textual High https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf
generic_textual High https://lists.debian.org/debian-security-announce/2017/msg00333.html
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2017-17843
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2017-17843
generic_textual High https://www.debian.org/security/2017/dsa-4070
generic_textual High https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-17843.html
https://api.first.org/data/v1/epss?cve=CVE-2017-17843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17844
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17845
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17846
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17847
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17848
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
https://lists.debian.org/debian-security-announce/2017/msg00333.html
https://www.debian.org/security/2017/dsa-4070
https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html
https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html
cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2017-17843 https://nvd.nist.gov/vuln/detail/CVE-2017-17843
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-17843
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-17843
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.3968
EPSS Score 0.00204
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.