NVD Vulnerability Detail

CVE-2011-2691

Summary	The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.
Publication Date	July 18, 2011, 5:55 a.m.
Registration Date	Jan. 28, 2021, 4:39 p.m.
Last Update	Nov. 21, 2024, 10:28 a.m.

CVSS3.1 : MEDIUM
スコア	6.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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)	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	4.3
Vector	AV:N/AC:M/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)	中
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	はい

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:libpng:libpng::::::::	1.5.0			1.5.4
cpe:2.3:a:libpng:libpng::::::::	1.4.0			1.4.8
cpe:2.3:a:libpng:libpng::::::::	1.2.0			1.2.45
cpe:2.3:a:libpng:libpng::::::::	1.0.0			1.0.55

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:14:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:5.0:::::::*
cpe:2.3:o:debian:debian_linux:6.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
2	http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	Mailing List Third Party Advisory
3	http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	Mailing List Third Party Advisory
4	http://marc.info/?l=bugtraq&m=133951357207000&w=2	Mailing List Third Party Advisory
5	http://marc.info/?l=bugtraq&m=133951357207000&w=2	Mailing List Third Party Advisory
6	http://secunia.com/advisories/45046	Broken Link
7	http://secunia.com/advisories/45405	Broken Link
8	http://secunia.com/advisories/45492	Broken Link
9	http://secunia.com/advisories/49660	Broken Link
10	http://security.gentoo.org/glsa/glsa-201206-15.xml	Third Party Advisory
11	http://support.apple.com/kb/HT5002	Third Party Advisory
12	http://www.debian.org/security/2011/dsa-2287	Third Party Advisory
13	http://www.libpng.org/pub/png/libpng.html	Product Vendor Advisory
14	http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	Broken Link
15	http://www.openwall.com/lists/oss-security/2011/07/13/2	Mailing List Third Party Advisory
16	http://www.securityfocus.com/bid/48660	Third Party Advisory VDB Entry
17	https://bugzilla.redhat.com/show_bug.cgi?id=720608	Exploit Issue Tracking Patch Third Party Advisory
18	https://exchange.xforce.ibmcloud.com/vulnerabilities/68537	Third Party Advisory VDB Entry
19	http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
20	https://exchange.xforce.ibmcloud.com/vulnerabilities/68537	Third Party Advisory VDB Entry
21	https://bugzilla.redhat.com/show_bug.cgi?id=720608	Exploit Issue Tracking Patch Third Party Advisory
22	http://www.securityfocus.com/bid/48660	Third Party Advisory VDB Entry
23	http://www.openwall.com/lists/oss-security/2011/07/13/2	Mailing List Third Party Advisory
24	http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	Broken Link
25	http://www.libpng.org/pub/png/libpng.html	Product Vendor Advisory
26	http://www.debian.org/security/2011/dsa-2287	Third Party Advisory
27	http://support.apple.com/kb/HT5002	Third Party Advisory
28	http://security.gentoo.org/glsa/glsa-201206-15.xml	Third Party Advisory
29	http://secunia.com/advisories/49660	Broken Link
30	http://secunia.com/advisories/45492	Broken Link
31	http://secunia.com/advisories/45405	Broken Link
32	http://secunia.com/advisories/45046	Broken Link
33	http://marc.info/?l=bugtraq&m=133951357207000&w=2	Mailing List Third Party Advisory
34	http://marc.info/?l=bugtraq&m=133951357207000&w=2	Mailing List Third Party Advisory
35	http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	Mailing List Third Party Advisory
36	http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-476	NULL ポインタデリファレンス	https://cwe.mitre.org/data/definitions/476.html

JVN Vulnerability Information

libpng の png_err 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	libpng の png_err 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	libpng の pngerror.c の png_err 関数は、空の文字列の引数の代わりに NULL ポインタの引数を使用して関数呼び出しをするため、サービス運用妨害 (アプリケーションクラッシュ) 状態となる脆弱性が存在します。
Possible impacts	第三者により、巧妙に細工された PNG 画像を介して、サービス運用妨害 (アプリケーションクラッシュ) 状態にされる可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	July 17, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	April 17, 2012, 5:09 p.m.

Affected System

PNG Development Group

libpng 1.0.55 未満の 1.0.x、1.2.45 未満の 1.2.x、1.4.8 未満の 1.4.x、および 1.5.4 未満の 1.5.x

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-2011-2691	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2691
National Vulnerability Database (NVD)
2	CVE-2011-2691	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-2691

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
libpng
1	Top Page	http://www.libpng.org/pub/png/libpng.html
SECURITY BLOG
2	Multiple vulnerabilities in libpng	https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_libpng1

Change Log

No	Changed Details	Date of change
0	[2012年03月27日] 掲載 [2012年04月17日] ベンダ情報：オラクル (Multiple vulnerabilities in libpng) を追加	Feb. 17, 2018, 10:37 a.m.