Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-17848

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.

Published

2017-12-27T17:08:19.920

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-347

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	enigmail	enigmail	< 1.9.9	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2019/Apr/38 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/04/30/4 Mailing List, Third Party Advisory ([email protected])
https://github.com/RUB-NDS/Johnny-You-Are-Fired ([email protected])
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf ([email protected])
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-security-announce/2017/msg00333.html Mailing List, Third Party Advisory ([email protected])
https://sourceforge.net/p/enigmail/bugs/709/ Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-4070 Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2019/Apr/38 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/04/30/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/RUB-NDS/Johnny-You-Are-Fired (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-security-announce/2017/msg00333.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/enigmail/bugs/709/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4070 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)