NVD Vulnerability Detail

CVE-2011-1935

Summary	pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
Publication Date	Oct. 21, 2017, 3:29 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:27 a.m.

CVSS3.1 : CRITICAL
スコア	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/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)	低
完全性への影響(I)	低
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:tcpdump:libpcap::::::::		1.1.1			1.2.1

Related information, measures and tools

No	URL	タグ
1	http://article.gmane.org/gmane.network.tcpdump.devel/4968	Broken Link Issue Tracking Third Party Advisory
2	http://thread.gmane.org/gmane.network.tcpdump.devel/5018	Broken Link Issue Tracking Patch Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2011/05/19/11	Broken Link Issue Tracking Mailing List Patch Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2014/02/08/5	Mailing List Third Party Advisory
5	https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1%3Bbug=623868%3Bfilename=0001-Fix-the-calculation-of-the-frame-size-in-memory-mapp.patch%3Bmsg=10
6	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868	Issue Tracking Patch Third Party Advisory
7	https://security-tracker.debian.org/tracker/CVE-2011-1935/	Issue Tracking Third Party Advisory
8	http://article.gmane.org/gmane.network.tcpdump.devel/4968	Broken Link Issue Tracking Third Party Advisory
9	https://security-tracker.debian.org/tracker/CVE-2011-1935/	Issue Tracking Third Party Advisory
10	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868	Issue Tracking Patch Third Party Advisory
11	https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1%3Bbug=623868%3Bfilename=0001-Fix-the-calculation-of-the-frame-size-in-memory-mapp.patch%3Bmsg=10
12	http://www.openwall.com/lists/oss-security/2014/02/08/5	Mailing List Third Party Advisory
13	http://www.openwall.com/lists/oss-security/2011/05/19/11	Broken Link Issue Tracking Mailing List Patch Third Party Advisory
14	http://thread.gmane.org/gmane.network.tcpdump.devel/5018	Broken Link Issue Tracking Patch Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

libpcap におけるデータ処理に関する脆弱性

Title	libpcap におけるデータ処理に関する脆弱性
Summary	libpcap には、データ処理に関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にさ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 24, 2011, midnight
Registration Date	Nov. 16, 2017, 12:44 p.m.
Last Update	Nov. 16, 2017, 12:44 p.m.

Affected System

Debian

libpcap commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 未満の 1.1.1

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-2011-1935	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1935
National Vulnerability Database (NVD)
2	CVE-2011-1935	https://nvd.nist.gov/vuln/detail/CVE-2011-1935
Security Bug Tracker
3	CVE-2011-1935	https://security-tracker.debian.org/tracker/CVE-2011-1935/

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-19	https://cwe.mitre.org/data/definitions/19.html

ベンダー情報

No	Name	URL
Debian Bug report logs
1	623868	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=623868
Gmane
2	[bug] [libpcap] pcap-linux.c: PACKET_MMAP: caplen < len <= snaplen.	http://thread.gmane.org/gmane.network.tcpdump.devel/5018

Change Log

No	Changed Details	Date of change
0	[2017年11月16日] 掲載	Feb. 17, 2018, 10:37 a.m.