CVE-2016-2233
published 2017-01-18CVE-2016-2233: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash)…
PriorityP358high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EXPLOIT
EPSS
34.65%
98.2th percentile
Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | hexchat | < hexchat 2.12.0-1 (bookworm) | hexchat 2.12.0-1 (bookworm) |
| hexchat_project | hexchat | — | — |
| hexchat_project | hexchat | >= 0 < 2.12.0-1 | 2.12.0-1 |
| hexchat_project | hexchat | >= 0 < 2.12.0-1 | 2.12.0-1 |
| hexchat_project | hexchat | >= 0 < 2.12.0-1 | 2.12.0-1 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5LOW
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GHSA
GHSA-xgr5-8gm5-gj39: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound
ghsa_unreviewed·2022-05-17
CVE-2016-2233 [HIGH] CWE-119 GHSA-xgr5-8gm5-gj39: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound
Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
OSV
CVE-2016-2233: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound
osv·2017-01-18·CVSS 7.5
CVE-2016-2233 [HIGH] CVE-2016-2233: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound
Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
Debian
CVE-2016-2233: hexchat - Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c i...
vendor_debian·2016·CVSS 7.5
CVE-2016-2233 [HIGH] CVE-2016-2233: hexchat - Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c i...
Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
Scope: local
bookworm: resolved (fixed in 2.12.0-1)
bullseye: resolved (fixed in 2.12.0-1)
sid: resolved (fixed in 2.12.0-1)
trixie: resolved (fixed in 2.12.0-1)
No detection rules found.
Bugzilla
CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities
bugzilla·2017-01-19·CVSS 7.4
CVE-2016-2087 [HIGH] CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities
CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities
Two vulnerabilities were found in hexchat 2.11.0 and before.
CVE-2016-2087:
Directory traversal vulnerability in the client in HexChat 2.11.0 allows remote IRC servers to read or modify arbitrary files via a .. (dot dot) in the server name.
CVE-2016-2233:
Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
References:
https://www.exploit-db.com/exploits/39657/
https://www.exploit-db.com/exploits/39656/
Discussion:
Created hexchat tracking bugs for this issue:
Affects: epel-6 [bug 1414690]
---
For the record:
CVE-2016-2087 is fixed since 2.12.2
https://github.c
Bugzilla
CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities [epel-6]
bugzilla·2017-01-19·CVSS 7.4
CVE-2016-2087 [HIGH] CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities [epel-6]
CVE-2016-2087 CVE-2016-2233 hexchat: Multiple vulnerabilities [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
[bug automatically created by: add-tracking-bugs]
Discus
http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.htmlhttp://www.securityfocus.com/bid/95920https://www.exploit-db.com/exploits/39657/http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.htmlhttp://www.securityfocus.com/bid/95920https://www.exploit-db.com/exploits/39657/
2017-01-18
Published