7.5high

CVE-2017-17848

An issue was discovered in Enigmail before 1.9.9.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 79%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.84% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

  • sourceforge.net /p/enigmail/bugs/709/ · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-security-announce/2017/msg00333.html · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2017/12/msg00021.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2017/dsa-4070 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • openwall.com /lists/oss-security/2019/04/30/4 · mailing-list, x_refsource_MLIST, x_transferred
  • seclists.org /fulldisclosure/2019/Apr/38 · mailing-list, x_refsource_FULLDISC, x_transferred
  • packetstormsecurity.com /files/152703/Johnny-You-Are-Fired.html · x_refsource_MISC, x_transferred
  • github.com /RUB-NDS/Johnny-You-Are-Fired · x_refsource_MISC, x_transferred
  • github.com /RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.