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CVE-2017-17848

N/A
Published: December 22, 2017 at 11:00 PM UTC
Updated: June 17, 2026 at 01:11 AM UTC
2 products affected across 2 vendorsDebian LinuxEnigmail

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Severity
N/A
Exploit prediction
EPSS 2%

Description

An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
7.08.09.0
Enigmail· Enigmail
95%
v < 1.9.9
Affected range stops below 1.9.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (9)

x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2019/Apr/38
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2019/04/30/4
x_refsource_MISC
Source: [email protected]
https://github.com/RUB-NDS/Johnny-You-Are-Fired
x_refsource_MISC
Source: [email protected]
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-security-announce/2017/msg00333.html
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://sourceforge.net/p/enigmail/bugs/709/

CVSS

5MEDIUM[email protected]
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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