Vulnerability Name:

CVE-2019-1010023 (CCN-163701)

Assigned:2018-09-02
Published:2018-09-02
Updated:2020-11-16
Summary:** DISPUTED ** GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code.
Note: Upstream comments indicate "this is being treated as a non-security bug and no real threat."
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
8.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-1010023

Source: BID
Type: Third Party Advisory, VDB Entry
109167

Source: XF
Type: UNKNOWN
gnulibc-cve20191010023-priv-esc(163701)

Source: DEBIAN
Type: UNKNOWN
CVE-2019-1010023

Source: CCN
Type: Sourceware Bugzilla - Bug 22851
ld library ELF load error

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22851

Source: CONFIRM
Type: UNKNOWN
https://support.f5.com/csp/article/K11932200?utm_source=f5support&utm_medium=RSS

Source: UBUNTU
Type: UNKNOWN
CVE-2019-1010023

Source: CCN
Type: GNU Web site
The GNU C Library (glibc)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:glibc:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:gnu:libc:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.cosmic:def:201910100230000000
    V
    		CVE-2019-1010023 on Ubuntu 18.10 (cosmic) - low.
    2019-07-15
    oval:com.ubuntu.bionic:def:201910100230000000
    V
    		CVE-2019-1010023 on Ubuntu 18.04 LTS (bionic) - low.
    2019-07-15
    oval:com.ubuntu.xenial:def:201910100230000000
    V
    		CVE-2019-1010023 on Ubuntu 16.04 LTS (xenial) - low.
    2019-07-15
    oval:com.ubuntu.disco:def:201910100230000000
    V
    		CVE-2019-1010023 on Ubuntu 19.04 (disco) - low.
    2019-07-15
    BACK
    gnu glibc -
    gnu libc -