Results 1 to 3 of 3

Thread: libc6 flaw worry

  1. #1
    Senior Member registered user
    Join Date
    May 2006
    Location
    Columbia, Maryland USA
    Posts
    1,631

    libc6 flaw worry

    .
    I expressed my concern about the following news item to Klaus K:
    http://www.eweek.com/security/linux-...libc-flaw.html

    His comment on this was the following:
    Me too, since all glibc >= 2.9 versions till today are affected, with
    the glibc on Knoppix being no exception.

    For exploiting the vulnerability, the attacker must own the directly
    queried DNS server (i.e. the users access point, or the ISPs DNS server)
    and send manipulated DNS replies from there, or be able to hijack TCP
    connections, and in most cases, programs will just crash on the
    getaddrinfo() library call, but code injection on the stack may be
    possible. Though an attack isn't really easy, it's a real possibility.

    The easy commandline method (for USB flash disk users) for fixing the
    problem, thanks to debian's quick reaction in the unstable branch, would be:

    sudo apt-get update ; sudo apt-get install -t unstable libc6
    which also updates libc6 dependencies.
    I did this on my Knoppix 7.6.1 LiveUSB, and it updated my libc6 to 2.21.0,
    and didn't take up much space on my reiserfs persistence.

    IMO, it may be wise to make this interim correction, since updating the
    whole 4Gb Knoppix iso might not happen right away.

  2. #2
    Senior Member registered user
    Join Date
    May 2006
    Location
    Columbia, Maryland USA
    Posts
    1,631
    Should read updated to libc6 2.21-9, not 2.21.0.
    Last edited by utu; 02-23-2016 at 01:33 AM.

  3. #3
    Senior Member registered user
    Join Date
    May 2006
    Location
    Columbia, Maryland USA
    Posts
    1,631

    A reminder, in case you are not using 7.7.0.

    Regarding libc6...

    http://www.linux-magazine.com/Issues/2016/187/Ask-Klaus

    You don't need to buy the article, just see the first post here.
    Last edited by utu; 05-13-2016 at 06:07 PM.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  


Dell PowerEdge M610 Blade Server E5620@2.2GHZ (6x)8GB RAM (2x)146GB 15K SAS HDD picture

Dell PowerEdge M610 Blade Server E5620@2.2GHZ (6x)8GB RAM (2x)146GB 15K SAS HDD

$75.00



DELL PowerEdge R730XD 24x 2.5

DELL PowerEdge R730XD 24x 2.5" Server Dual 750W Dual Heatsink - BareBones TESTED

$299.99



Supermicro 4U 36 Bay Storage Server 2.4Ghz 8-C 128GB 1x1280W Rails TrueNAS ZFS picture

Supermicro 4U 36 Bay Storage Server 2.4Ghz 8-C 128GB 1x1280W Rails TrueNAS ZFS

$721.06



H261-Z61 2U 24SFF AMD Server 8x EPYC 7551 256-Cores 256GB RAM 8x25G NIC 2x2200W picture

H261-Z61 2U 24SFF AMD Server 8x EPYC 7551 256-Cores 256GB RAM 8x25G NIC 2x2200W

$2512.18



DELL PowerEdge R730 Server 2x E5-2690v3 2.6GHz =24 Cores 32GB H730 4xRJ45 picture

DELL PowerEdge R730 Server 2x E5-2690v3 2.6GHz =24 Cores 32GB H730 4xRJ45

$275.00



Dell PowerEdge R720XD Xeon E5-2680 V2 2.8GHz 20 Cores 256GB RAM 12x4TB picture

Dell PowerEdge R720XD Xeon E5-2680 V2 2.8GHz 20 Cores 256GB RAM 12x4TB

$510.00



Dell PowerEdge R720 Server - 2x8c CPU,256Gb RAM, 128Gb SSD/3x600Gb SAS, Proxmox picture

Dell PowerEdge R720 Server - 2x8c CPU,256Gb RAM, 128Gb SSD/3x600Gb SAS, Proxmox

$340.00



Dell PowerEdge R730XD 28 Core Server 2X Xeon E5-2680 V4 H730 128GB RAM No HDD picture

Dell PowerEdge R730XD 28 Core Server 2X Xeon E5-2680 V4 H730 128GB RAM No HDD

$389.99



Dell PowerEdge R820 Server 4x E5-4620 2.2GHz 32-Core Total 256GB 0HD 2x 1100w  picture

Dell PowerEdge R820 Server 4x E5-4620 2.2GHz 32-Core Total 256GB 0HD 2x 1100w

$315.00



1U Supermicro Pro Server X10DRU-i+ 2x Xeon E5-2620 V3 32GB DDR4 RAM 4x 10GE RAIL picture

1U Supermicro Pro Server X10DRU-i+ 2x Xeon E5-2620 V3 32GB DDR4 RAM 4x 10GE RAIL

$190.00