CVE-2017-5356
UnknownEPSS 4.78%
Last modified
CVE-2017-5356 is a vulnerability of currently unknown severity. Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).. EPSS estimates a 4.78% chance of exploitation in the next 30 days.
Description
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Irssi | Irssi | < 0.8.21 |
| Debian | Debian Linux | 7.0 |
References
- http://www.openwall.com/lists/oss-security/2017/01/12/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/13/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96581Third Party Advisory, VDB Entry
- https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.htmlExploit, Technical Description, Third Party Advisory
- https://irssi.org/security/irssi_sa_2017_01.txtPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/12/8Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/13/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96581Third Party Advisory, VDB Entry
- https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.htmlExploit, Technical Description, Third Party Advisory
- https://irssi.org/security/irssi_sa_2017_01.txtPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-5356?
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
How severe is CVE-2017-5356?
Severity scoring for CVE-2017-5356 is pending analysis. The EPSS model estimates a 4.78% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5356?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-5356?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST