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CVE-2012-2143

20
FAUCET Score

CVE-2012-2143 describes a vulnerability in the crypt_des function, used by products like PHP and PostgreSQL, where passwords containing a 0x80 character are truncated, allowing authentication with a partial password. This medium-complexity vulnerability (CVSS 4.3) could lead to unauthorized access (integrity impact) but has no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.3, < 8.3.19CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.4, < 8.4.12CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 9.0, < 9.0.8CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 9.1, < 9.1.4CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
<= 9.0CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.73%
Probability of exploitation in next 30 days
EPSS Percentile
92.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0573 is in the 91st percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: postgresql-0:8.1.23-5.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: postgresql84-0:8.4.12-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php53-0:5.3.3-13.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: postgresql-0:8.4.12-1.el6_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php-0:5.3.3-14.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-2143Moderate

crypt(): DES encrypted password weakness

May 30, 2012

References

git.php.net
Broken LinkPatch
git.postgresql.org / gitweb
Vendor Advisory
kb.juniper.net / InfoCenter/index
Third Party Advisory
lists.apple.com / archives/security-announce/2012/Sep/msg00004.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2012-June/082258.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2012-June/082292.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2012-June/082294.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-07/msg00003.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2012-09/msg00102.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2012-10/msg00013.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2012-10/msg00024.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2012-1037.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
secunia.com / advisories/49304
Broken LinkVendor Advisory
secunia.com / advisories/50718
Broken LinkVendor Advisory
security.freebsd.org / advisories/FreeBSD-SA-12:02.crypt.asc
Vendor Advisory
support.apple.com / kb/HT5501
Third Party Advisory
debian.org / security/2012/dsa-2491
Third Party Advisory
mandriva.com / security/advisories
Broken Link
postgresql.org / docs/8.3/static/release-8-3-19.html
Vendor Advisory
postgresql.org / docs/8.4/static/release-8-4-12.html
Vendor Advisory
postgresql.org / docs/9.0/static/release-9-0-8.html
Vendor Advisory
postgresql.org / docs/9.1/static/release-9-1-4.html
Vendor Advisory
postgresql.org / support/security
Vendor Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry