3月14日GnuPG内置签名验证漏洞
2008-04-09 04:14:17来源:互联网 阅读 ()
信息提供:
安全公告(或线索)提供热线:51cto.editor@gmail.com漏洞类别:
签名验证漏洞攻击类型:
本地攻击发布日期:
2006-03-09更新日期:
2006-03-14受影响系统:
GNU Privacy Guard < 1.4.2.2安全系统:
GNU Privacy Guard 1.4.2.2漏洞报告人:
Werner Koch (wk@gnupg.org)
Tavis Ormandy (taviso@gentoo.org)
漏洞描述:
BUGTRAQ ID: 17058
CVE(CAN) ID: CVE-2006-0049
GnuPG是基于OpenPGP标准的PGP加密、解密、签名工具。
GnuPG在处理邮件内置的签名时存在验证漏洞,攻击者可能利用此漏洞在邮件中插入额外的数据。
GnuPG在提取已签名的数据时,数据可能前置或后缀了签名没有没有覆盖到的额外数据,这样攻击者就可以利用签名消息注入额外的任意数据。
测试方法:
无解决方法:
厂商补丁:Debian
------
Debian已经为此发布了一个安全公告(DSA-993-2)以及相应补丁:
DSA-993-2:New GnuPG packages fix broken signature check
链接:http://www.debian.org/security/2005/dsa-993
补丁下载:
Source archives:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5.dsc
Size/MD5 checksum: 579 b34d5a5996b358e713e2e8bb71dc6404
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5.diff.gz
Size/MD5 checksum: 7866 5e36a3c06fae2b3d96a9db65988fffbd
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6.orig.tar.gz
Size/MD5 checksum: 1941676 7c319a9e5e70ad9bc3bf0d7b5008a508
Alpha architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_alpha.deb
Size/MD5 checksum: 1150716 ff72280db81dbc60041cd91a0d307ee6
ARM architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_arm.deb
Size/MD5 checksum: 987194 1ca0bbdaaec049b128996cdd9f776834
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_i386.deb
Size/MD5 checksum: 966800 52e985fbb5e9bcd7baa320c549b7b70c
Intel IA-64 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_ia64.deb
Size/MD5 checksum: 1271958 27317f852e24ce3784ec62aec0860c6a
HP Precision architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_hppa.deb
Size/MD5 checksum: 1059666 5b73bdfab02c7c8184b58db2c3e0b240
Motorola 680x0 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_m68k.deb
Size/MD5 checksum: 942614 c15e8b65687c52530e48665669dde8c3
Big endian MIPS architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_mips.deb
Size/MD5 checksum: 1035974 ce95aa0adb6060fc68119c4df3492293
Little endian MIPS architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_mipsel.deb
Size/MD5 checksum: 1036400 f40b42f381d7f04004f219c16de542fc
PowerPC architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_powerpc.deb
Size/MD5 checksum: 1009720 8b0372d551b48829ce6be7d0f69f6559
IBM S/390 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_s390.deb
Size/MD5 checksum: 1002210 deef79ef16b8f5bac2b32f912caac46c
Sun Sparc architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody5_sparc.deb
Size/MD5 checksum: 1003974 2bf876aa4b6a50cb3aadb7ef2e233f69
Debian GNU/Linux 3.1 alias sarge
- --------------------------------
Source archives:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3.dsc
Size/MD5 checksum: 680 8f2f1848dcdfe9d143d8e9352ef918ca
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3.diff.gz
Size/MD5 checksum: 19639 9ffb89fa0a770568ddd80a11e3eada78
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1.orig.tar.gz
Size/MD5 checksum: 4059170 1cc77c6943baaa711222e954bbd785e5
Alpha architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_alpha.deb
Size/MD5 checksum: 2155538 07b4643bf4cd05639a261fa0b3fa6a89
AMD64 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_amd64.deb
Size/MD5 checksum: 1963222 52cdf1bb1a228427abd31abff411a946
ARM architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_arm.deb
Size/MD5 checksum: 1899232 c52b0d652506e2384340d67f8126a1b2
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_i386.deb
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