CVE-2011-2483

crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

公开: 2011-08-25 最后更新: 2026-06-16 分配方: [email protected] 来源: [email protected]

结论预警: CVE-2011-2483 综合评估为中等风险(49.8/100):CVSS 技术影响为中级,利用概率偏高(EPSS 4.97%,百分位 91%) 核心证据: EPSS 显示该漏洞近期被利用的可能性处于高位。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。

风险随态势动态变化;本站持续评估并同步更新本页展示内容。

CVE-2011-2483 的 EPSS(利用预测评分)

EPSS 日更估计相对被利用可能性;百分位表示该 CVE 在已评分漏洞中的相对排名(越高表示相对更严重)。

# 日期 旧 EPSS 分数 新 EPSS 分数 变化(新 − 旧)
1 2026-06-15 7.07% 4.97% -2.10%
2 2026-05-24 6.50% 7.07% +0.57%
3 2026-03-05 6.50%

完整 EPSS 历史 (共 58 条)

CVE-2011-2483 的 CVSS 指标

该 CVE 的 CVSS 指标。

底座分 版本 严重度 向量 可利用性 影响 分数来源
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 点击展开
访问路径 (AV:N)
只要路由可达,即可从远端发起利用。
访问复杂度 (AC:L)
步骤短、路径清晰,复现成本低。
认证 (AU:N)
全程无需有效身份。
机密性影响 (C:P)
机密性受到部分损害。
完整性影响 (I:N)
对完整性无影响。
可用性影响 (A:N)
对可用性无影响。
10.0 2.9 [email protected]

CVE-2011-2483 的弱点枚举

CVE-2011-2483 的 OS 跟踪

vendor priority summary link
debian unimportant CVE-2011-2483 unimportant priority: Debian including 2 source packages (libcrypt-eksblowfish-perl, libxcrypt), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2011-2483
gentoo normal CVE-2011-2483: 2 GLSA(s) (201110-06, 201110-22), 4 atom(s) (dev-db/postgresql, dev-db/postgresql-base, dev-db/postgresql-server, dev-lang/php); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2483
redhat medium https://access.redhat.com/security/cve/CVE-2011-2483
suse medium CVE-2011-2483 severity moderate: SUSE including 113 source package names (glibc-2.11.1-0.32.1, glibc-2.11.3-17.31.1, …), 164 product×package rows across 34 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (34 product lines)): Fixed 164. https://www.suse.com/security/cve/CVE-2011-2483/
ubuntu medium CVE-2011-2483 medium priority: Ubuntu including 7 source packages (john, libcrypt-eksblowfish-perl, …), 91 status rows across 13 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid): DNE 38, not-affected 32, released 10, ignored 6, needs-triage 3, pending 2. https://ubuntu.com/security/CVE-2011-2483

CVE-2011-2483 的影响软件 / 配置

厂商 产品 版本 原始 CPE
php php < 5.3.7 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
postgresql postgresql >= 8.2.0, < 8.2.22 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql >= 8.3.0, < 8.3.16 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql >= 8.4.0, < 8.4.9 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql >= 9.0.0, < 9.0.5 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
openwall crypt_blowfish < 1.1 cpe:2.3:a:openwall:crypt_blowfish:*:*:*:*:*:*:*:*

CVE-2011-2483 的参考链接

URL 标签
http://freshmeat.net/projects/crypt_blowfish Broken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 Third Party Advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html Third Party Advisory
http://php.net/security/crypt_blowfish Third Party Advisory
http://support.apple.com/kb/HT5130 Third Party Advisory
http://www.debian.org/security/2011/dsa-2340 Third Party Advisory VDB Entry
http://www.debian.org/security/2012/dsa-2399 Third Party Advisory VDB Entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:165 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:179 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:180 Broken Link
http://www.openwall.com/crypt/ Mailing List Patch Third Party Advisory
http://www.php.net/ChangeLog-5.php#5.3.7 Third Party Advisory
http://www.php.net/archive/2011.php#id2011-08-18-1 Patch Vendor Advisory
http://www.postgresql.org/docs/8.4/static/release-8-4-9.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1377.html Broken Link
http://www.redhat.com/support/errata/RHSA-2011-1378.html Broken Link
http://www.redhat.com/support/errata/RHSA-2011-1423.html Broken Link
http://www.securityfocus.com/bid/49241 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1229-1 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69319 Third Party Advisory VDB Entry
cvelogic Threat Intelligence