NVD Vulnerability Detail

CVE-2017-8073

Summary	WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.
Publication Date	April 24, 2017, 12:59 a.m.
Registration Date	Jan. 26, 2021, 1:29 p.m.
Last Update	Nov. 21, 2024, 12:33 p.m.

CVSS3.0 : HIGH
スコア	7.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:weechat:weechat::::::::					1.7.1

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://www.debian.org/security/2017/dsa-3836	Third Party Advisory
2	http://www.debian.org/security/2017/dsa-3836	Third Party Advisory
3	http://www.securityfocus.com/bid/97987	Third Party Advisory VDB Entry
4	http://www.securityfocus.com/bid/97987	Third Party Advisory VDB Entry
5	https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b	Patch Third Party Advisory
6	https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b	Patch Third Party Advisory
7	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
8	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
11	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
12	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
13	https://weechat.org/download/security/	Patch Vendor Advisory
14	https://weechat.org/download/security/	Patch Vendor Advisory
15	https://weechat.org/news/95/20170422-Version-1.7.1/	Release Notes Vendor Advisory
16	https://weechat.org/news/95/20170422-Version-1.7.1/	Release Notes Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

WeeChat におけるバッファエラーの脆弱性

Title	WeeChat におけるバッファエラーの脆弱性
Summary	WeeChat には、バッファエラーの脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 攻撃が行われる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	April 22, 2017, midnight
Registration Date	May 29, 2017, 12:21 p.m.
Last Update	May 29, 2017, 12:21 p.m.

Affected System

FlashTux

WeeChat 1.7.1 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2017-8073	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8073
National Vulnerability Database (NVD)
2	CVE-2017-8073	https://nvd.nist.gov/vuln/detail/CVE-2017-8073

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
GitHub
1	irc: fix parsing of DCC filename	https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b
WeeChat
2	Report a security issue	https://weechat.org/download/security/
3	Version 1.7.1	https://weechat.org/news/95/20170422-Version-1.7.1/

Change Log

No	Changed Details	Date of change
0	[2017年05月29日] 掲載	Feb. 17, 2018, 10:37 a.m.