CVE-2017-15721

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Summary

CVECVE-2017-15721
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-10-22 20:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionIn Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Irssi Irssi All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
irssi.org/security/irssi_sa_2017_10.txt af854a3a-2127-422b-91ae-364da2661108 irssi.org Mitigation, Patch, Vendor Advisory
Debian -- Security Information -- DSA-4016-1 irssi af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - Irssi 1.0.5: CVE-2017-15228, CVE-2017-15227, CVE-2017-15721, CVE-2017-15722, CVE-2017-15723 af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Mitigation, Patch, Third Party Advisory
[SECURITY] [DLA 1217-1] irssi security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500263 Alpine Linux Security Update for irssi
  • 504027 Alpine Linux Security Update for irssi
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