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osvGoogleOSV:DSA-2399-1
HistoryJan 31, 2012 - 12:00 a.m.

php5 - several

2012-01-3100:00:00
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osv.dev
29

EPSS

0.882

Percentile

98.7%

Several vulnerabilities have been discovered in PHP, the web scripting
language. The Common Vulnerabilities and Exposures project identifies
the following issues:

  • CVE-2011-1938
    The UNIX socket handling allowed attackers to trigger a buffer overflow
    via a long path name.
  • CVE-2011-2483
    The crypt_blowfish function did not properly handle 8-bit characters,
    which made it easier for attackers to determine a cleartext password
    by using knowledge of a password hash.
  • CVE-2011-4566
    When used on 32 bit platforms, the exif extension could be used to
    trigger an integer overflow in the exif_process_IFD_TAG function
    when processing a JPEG file.
  • CVE-2011-4885
    It was possible to trigger hash collisions predictably when parsing
    form parameters, which allows remote attackers to cause a denial of
    service by sending many crafted parameters.
  • CVE-2012-0057
    When applying a crafted XSLT transform, an attacker could write files
    to arbitrary places in the filesystem.

NOTE: the fix for
CVE-2011-2483
required changing the behaviour of this function: it is now incompatible with
some old (wrongly) generated hashes for passwords containing 8-bit characters.
See the package NEWS entry for details. This change has not been applied to the
Lenny version of PHP.

For the oldstable distribution (lenny), these problems have been fixed
in version 5.2.6.dfsg.1-1+lenny15.

For the stable distribution (squeeze), these problems have been fixed
in version 5.3.3-7+squeeze6.

For the testing distribution (wheezy) and unstable distribution (sid),
these problems have been fixed in version 5.3.9-1.

We recommend that you upgrade your php5 packages.