SUSE-SU-2016:2627-1 Security update for POS_Image3, POS_Server3

Not scored Published

Attackers could execute arbitrary commands via unsafe Perl shell calls and file uploads in POS server software.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
Available

What is SUSE-SU-2016:2627-1?

SUSE-SU-2016:2627-1 is a command injection vulnerability in POS_Image3, published on 25 Oct 2016.

Official description

This update provides POS_Image3 and POS_Server3 version 3.5.5, which bring many fixes and enhancements:

  • Fixed potential security issues (bsc#946740)
    • use three argument perl open function consistently
    • use array in perl system call everywhere
    • use preferably perl built-in functions instead of external shell commands
    • improved validation of uploaded files from terminals to BS
    • improved runcmd code used for calling external commands
  • Auto-registration should not start before dhcpd is ready (bsc#1003383)
  • Fixed handling of HTTP redirects in registerImages (bsc#1003376)
  • Fixed handling x86_64 images (bsc#1003374)
  • Do not limit number of entries for BS LDAP (bsc#985979)
  • Increase max wait time to 10mins (bsc#989247)
  • Infer service IP when only one BS NIC is specified in LDAP (bsc#927232)
  • Fixed regression in directly referenced image in scWorkstation object (bsc#979925)
  • Fixed handling deltas of compressed images in registerImages (bsc#887607)
  • Fixed posleases to handle stop event correctly (bsc#883017)
  • Fixed save_poslogs utility to dump LDAP content on BS (bsc#890002)
  • Do not configure authoritative DNS outside netmask (bsc#889665)
  • Add ipHostNumber field to services in posAdmin-GUI (bsc#944292)
  • Fixed multival modification in posAdmin (bsc#840279)

Which versions are affected by SUSE-SU-2016:2627-1?

Linux distribution packages (2)
POS_Image3 SUSE:Linux Enterprise Point of Sale 11 SP3All versions3.5.5-18.1
POS_Server3 SUSE:Linux Enterprise Point of Sale 11 SP3All versions3.5.5-18.1

How do I fix SUSE-SU-2016:2627-1?

Upgrade to a fixed version.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is SUSE-SU-2016:2627-1 being exploited?

There is no known exploitation of SUSE-SU-2016:2627-1 in the wild and no public exploit code.

Sources

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