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Vulnerability details: VCID-evbp-9ahp-aaah
Vulnerability ID VCID-evbp-9ahp-aaah
Aliases CVE-2017-17847
Summary An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-347 Improper Verification of Cryptographic Signature
System Score Found at
generic_textual High http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-17847.html
epss 0.00291 https://api.first.org/data/v1/epss?cve=CVE-2017-17847
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epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2017-17847
epss 0.00481 https://api.first.org/data/v1/epss?cve=CVE-2017-17847
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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 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-17847
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-17847
generic_textual High https://sourceforge.net/p/enigmail/bugs/709/
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-2017-17847.html
https://api.first.org/data/v1/epss?cve=CVE-2017-17847
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://sourceforge.net/p/enigmail/bugs/709/
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-2017-17847 https://nvd.nist.gov/vuln/detail/CVE-2017-17847
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-17847
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:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-17847
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 0.49521
EPSS Score 0.00291
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.