NVD Vulnerability Detail

CVE-2011-2501

Summary	The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.
Publication Date	July 18, 2011, 5:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 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:::::::*

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:10.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:11.04:::::::*
cpe:2.3:o:canonical:ubuntu_linux:10.04:::::::*
cpe:2.3:o:canonical:ubuntu_linux:8.04:::::::*

Related information, measures and tools

No	URL	タグ
1	http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
2	http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.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://secunia.com/advisories/45046	Broken Link
5	http://secunia.com/advisories/45289	Broken Link
6	http://secunia.com/advisories/45405	Broken Link
7	http://secunia.com/advisories/45415	Broken Link
8	http://secunia.com/advisories/45460	Broken Link
9	http://secunia.com/advisories/45486	Broken Link
10	http://secunia.com/advisories/45492	Broken Link
11	http://secunia.com/advisories/49660	Broken Link
12	http://security.gentoo.org/glsa/glsa-201206-15.xml	Third Party Advisory
13	http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466	Mailing List Patch Third Party Advisory
14	http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement	Exploit Issue Tracking Third Party Advisory
15	http://www.debian.org/security/2011/dsa-2287	Third Party Advisory
16	http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	Broken Link
17	http://www.openwall.com/lists/oss-security/2011/06/27/13	Mailing List Patch Third Party Advisory
18	http://www.openwall.com/lists/oss-security/2011/06/28/16	Mailing List Patch Third Party Advisory
19	http://www.redhat.com/support/errata/RHSA-2011-1105.html	Broken Link
20	http://www.securityfocus.com/bid/48474	Third Party Advisory VDB Entry
21	http://www.ubuntu.com/usn/USN-1175-1	Third Party Advisory
22	https://bugzilla.redhat.com/show_bug.cgi?id=717084	Issue Tracking Patch Third Party Advisory
23	https://exchange.xforce.ibmcloud.com/vulnerabilities/68517	Third Party Advisory VDB Entry
24	http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
25	https://exchange.xforce.ibmcloud.com/vulnerabilities/68517	Third Party Advisory VDB Entry
26	https://bugzilla.redhat.com/show_bug.cgi?id=717084	Issue Tracking Patch Third Party Advisory
27	http://www.ubuntu.com/usn/USN-1175-1	Third Party Advisory
28	http://www.securityfocus.com/bid/48474	Third Party Advisory VDB Entry
29	http://www.redhat.com/support/errata/RHSA-2011-1105.html	Broken Link
30	http://www.openwall.com/lists/oss-security/2011/06/28/16	Mailing List Patch Third Party Advisory
31	http://www.openwall.com/lists/oss-security/2011/06/27/13	Mailing List Patch Third Party Advisory
32	http://www.mandriva.com/security/advisories?name=MDVSA-2011:151	Broken Link
33	http://www.debian.org/security/2011/dsa-2287	Third Party Advisory
34	http://sourceforge.net/mailarchive/forum.php?thread_name=BANLkTikrnU6FJNQYFvwmt78hwpgKPVRd1Q%40mail.gmail.com&forum_name=png-mng-implement	Exploit Issue Tracking Third Party Advisory
35	http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.617466	Mailing List Patch Third Party Advisory
36	http://security.gentoo.org/glsa/glsa-201206-15.xml	Third Party Advisory
37	http://secunia.com/advisories/49660	Broken Link
38	http://secunia.com/advisories/45492	Broken Link
39	http://secunia.com/advisories/45486	Broken Link
40	http://secunia.com/advisories/45460	Broken Link
41	http://secunia.com/advisories/45415	Broken Link
42	http://secunia.com/advisories/45405	Broken Link
43	http://secunia.com/advisories/45289	Broken Link
44	http://secunia.com/advisories/45046	Broken Link
45	http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html	Mailing List Third Party Advisory
46	http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-125	境界外読み取り	https://cwe.mitre.org/data/definitions/125.html

JVN Vulnerability Information

libpng の pngerror.c 内にある png_format_buffer 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	libpng の pngerror.c 内にある png_format_buffer 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	libpng の pngerror.c 内にある png_format_buffer 関数には、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。本脆弱性は、CVE-2004-0421 のリグレッションに起因した脆弱性です。
Possible impacts	第三者により、エラーメッセージデータをコピーしている間に、割り当てメモリ領域外からの読み取りを誘発する巧妙に細工された PNG イメージを介して、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	July 7, 2011, midnight
Registration Date	Aug. 17, 2011, 1:34 p.m.
Last Update	Aug. 17, 2011, 1:34 p.m.

Affected System

レッドハット

Red Hat Enterprise Linux Desktop 6

Red Hat Enterprise Linux HPC Node 6

Red Hat Enterprise Linux Server 6

Red Hat Enterprise Linux Server EUS 6.1.z

Red Hat Enterprise Linux Workstation 6

PNG Development Group

libpng 1.0.55 未満

libpng 1.2.45 未満

libpng 1.4.8 未満

libpng 1.5.4 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-2011-2501	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2501
National Vulnerability Database (NVD)
2	CVE-2011-2501	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-2501

CWE (共通脆弱性タイプ一覧)

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

ベンダー情報

No	Name	URL
libpng.org
1	libpng Home Page	http://www.libpng.org/pub/png/libpng.html
2	PNG reference library: libpng: News	http://sourceforge.net/news/?group_id=5624
Red Hat Security Advisory
3	RHSA-2011:1105	https://rhn.redhat.com/errata/RHSA-2011-1105.html

その他

No	Name	URL
ISS X-Force Database
1	68517	http://xforce.iss.net/xforce/xfdb/68517
OPEN SOURCE VULNERABILITY DATABASE (OSVDB)
2	73493	http://osvdb.org/73493
Secunia Advisory
3	SA45046	http://secunia.com/advisories/45046
4	SA45460	http://secunia.com/advisories/45460
SecurityFocus
5	48474	http://www.securityfocus.com/bid/48474

Change Log

No	Changed Details	Date of change
0	[2011年08月17日] 掲載	Feb. 17, 2018, 10:37 a.m.