Vulnerability · Published Jul 28, 2020 · Assigned by mitre
CVE-2020-16094
High 7.5
In plain English
A high-severity security flaw in the claws-mail package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.8%top 21.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | claws-mail | 3.17.7-r0 | ALPINE-CVE-2020-16094 |
| Alpine:v3.21 | claws-mail | 3.17.7-r0 | ALPINE-CVE-2020-16094 |
| Alpine:v3.22 | claws-mail | 3.17.7-r0 | ALPINE-CVE-2020-16094 |
| Alpine:v3.23 | claws-mail | 3.17.7-r0 | ALPINE-CVE-2020-16094 |
| Alpine:v3.24 | claws-mail | 3.17.7-r0 | ALPINE-CVE-2020-16094 |
| Debian:12 | claws-mail | 3.17.7-1 | DEBIAN-CVE-2020-16094 |
| Debian:13 | claws-mail | 3.17.7-1 | DEBIAN-CVE-2020-16094 |
| Debian:14 | claws-mail | 3.17.7-1 | DEBIAN-CVE-2020-16094 |
Affected products (as reported)
References
- https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4313 x_refsource_MISC
- FEDORA-2020-67d9661fe2 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-90e2b01f4a vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-1f60842034 vendor-advisory, x_refsource_FEDORA