Vulnerability Details : CVE-2017-18265
Prosody before 0.10.0 allows remote attackers to cause a denial of service (application crash), related to an incompatibility with certain versions of the LuaSocket library, such as the lua-socket package from Debian stretch. The attacker needs to trigger a stream error. A crash can be observed in, for example, the c2s module.
Vulnerability category: Denial of service
Products affected by CVE-2017-18265
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18265
1.79%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18265
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2017-18265
-
https://hg.prosody.im/0.9/rev/176b7f4e4ac9
Prosody IM 0.9: revision 176b7f4e4ac9: mod_c2s: Iterate over child tags instead of child nodes in stream error (fixes traceback from #987)Patch
-
https://www.debian.org/security/2018/dsa-4198
Debian -- Security Information -- DSA-4198-1 prosodyTechnical Description
-
https://prosody.im/issues/issue/987
#987 prosody 0.9.12 crashes since upgrade to debian 9 (stretch) (closed) - Prosody IM Issue TrackerVendor Advisory
-
https://hg.prosody.im/0.9/rev/adfffc5b4e2a
Prosody IM 0.9: revision adfffc5b4e2a: util.dependencies: Add compatibility code for LuaSocket no longer exporting as a globalPatch
-
https://bugs.debian.org/875829
#875829 - prosody: CVE-2017-18265: crashed on error handling for stream errors - Debian Bug report logsIssue Tracking;Mailing List
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