Vulnerability Name:

CVE-2018-9145

Assigned:2018-03-30
Published:2018-03-29
Updated:2018-04-17
Summary:In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.
CVSS v3 Severity:6.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/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): None
Integrity (I): None
Availibility (A): High
4.4 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L)
3.9 Low (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/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): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
3.2 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
References:Source: MISC
Type: UNKNOWN
https://bugzilla.novell.com/show_bug.cgi?id=1087879

Source: MISC
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1564281

Source: XF
Type: UNKNOWN
exiv2-cve20189145-dos(141066)

Source: MISC
Type: VENDOR_ADVISORY
https://github.com/xiaoqx/pocs/tree/master/exiv2

Vulnerable Configuration:Configuration 1:
  • cpe:/a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20189145000
    V
    CVE-2018-9145 on Ubuntu 17.10 (artful) - low.
    2018-03-30
    oval:com.ubuntu.xenial:def:20189145000
    V
    CVE-2018-9145 on Ubuntu 16.04 LTS (xenial) - low.
    2018-03-30
    oval:com.ubuntu.trusty:def:20189145000
    V
    CVE-2018-9145 on Ubuntu 14.04 LTS (trusty) - low.
    2018-03-30
    BACK
    exiv2 exiv2 0.26
    exiv2 exiv2 0.26