NVD Vulnerability Detail

CVE-2019-6978

Summary	The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected.
Publication Date	Jan. 28, 2019, 5:29 p.m.
Registration Date	Jan. 26, 2021, 11:44 a.m.
Last Update	Nov. 21, 2024, 1:47 p.m.

CVSS3.0 : CRITICAL
スコア	9.8
Vector	CVSS:3.0/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:libgd:libgd:2.2.5:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
2	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html
3	https://access.redhat.com/errata/RHSA-2019:2722
4	https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0	Patch Third Party Advisory
5	https://github.com/libgd/libgd/issues/492	Patch Third Party Advisory
6	https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae	Patch Third Party Advisory
7	https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html	Mailing List Third Party Advisory
8	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
11	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
12	https://security.gentoo.org/glsa/201903-18	Third Party Advisory
13	https://usn.ubuntu.com/3900-1/	Third Party Advisory
14	https://www.debian.org/security/2019/dsa-4384	Third Party Advisory
15	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
16	https://www.debian.org/security/2019/dsa-4384	Third Party Advisory
17	https://usn.ubuntu.com/3900-1/	Third Party Advisory
18	https://security.gentoo.org/glsa/201903-18	Third Party Advisory
19	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
20	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
21	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
22	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
23	https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html	Mailing List Third Party Advisory
24	https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae	Patch Third Party Advisory
25	https://github.com/libgd/libgd/issues/492	Patch Third Party Advisory
26	https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0	Patch Third Party Advisory
27	https://access.redhat.com/errata/RHSA-2019:2722
28	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-415	二重解放	https://cwe.mitre.org/data/definitions/415.html

JVN Vulnerability Information

GD Graphics Library における二重解放に関する脆弱性

Title	GD Graphics Library における二重解放に関する脆弱性
Summary	GD Graphics Library (別名 LibGD) には、二重解放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	Jan. 17, 2019, midnight
Registration Date	March 7, 2019, 10:12 a.m.
Last Update	March 7, 2019, 10:12 a.m.

Affected System

LibGD project

LibGD 2.2.5

Debian

Debian GNU/Linux

Canonical

Ubuntu

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-2019-6978	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6978
2	CVE-2019-6978	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6978
National Vulnerability Database (NVD)
3	CVE-2019-6978	https://nvd.nist.gov/vuln/detail/CVE-2019-6978
4	CVE-2019-6978	https://nvd.nist.gov/vuln/detail/CVE-2019-6978

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-415	https://cwe.mitre.org/data/definitions/415.html
2	CWE-415	https://cwe.mitre.org/data/definitions/415.html

ベンダー情報

No	Name	URL
Debian
1	[SECURITY] [DLA 1651-1] libgd2 security update	https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html
2	[SECURITY] [DLA 1651-1] libgd2 security update	https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html
Debian Security Advisory
3	DSA-4384	https://www.debian.org/security/2019/dsa-4384
4	DSA-4384	https://www.debian.org/security/2019/dsa-4384
GitHub
5	Fix #492: Potential double-free in gdImage*Ptr()	https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0
6	Fix #492: Potential double-free in gdImage*Ptr()	https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0
7	Update gdImage*Ptr() functions for possible Double free bugs #492	https://github.com/libgd/libgd/issues/492
8	Update gdImage*Ptr() functions for possible Double free bugs #492	https://github.com/libgd/libgd/issues/492
Ubuntu Security Notice
9	USN-3900-1	https://usn.ubuntu.com/3900-1/
10	USN-3900-1	https://usn.ubuntu.com/3900-1/

その他

No	Name	URL
関連文書
1	Sync with upstream	https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae
2	Sync with upstream	https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae

Change Log

No	Changed Details	Date of change
1	[2019年03月07日] 掲載	March 7, 2019, 10:12 a.m.