Vulnerability Name:

CVE-2015-5309 (CCN-108777)

Assigned:2015-12-07
Published:2015-12-07
Updated:2018-10-30
Summary:Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
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
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-189
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2015-5309

Source: FEDORA
Type: UNKNOWN
FEDORA-2015-3d17682c15

Source: FEDORA
Type: UNKNOWN
FEDORA-2015-5ad4a1f151

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2015:2023

Source: CCN
Type: SECTRACK ID: 1034308
PuTTY ECH Integer Overflow Lets Remote Users Execute Arbitrary Code on the Target User's System

Source: CCN
Type: PuTTY Web site
PuTTY Download Page

Source: CONFIRM
Type: Vendor Advisory
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html

Source: DEBIAN
Type: UNKNOWN
DSA-3409

Source: SECTRACK
Type: UNKNOWN
1034308

Source: XF
Type: UNKNOWN
putty-cve20155309-overflow(108777)

Source: GENTOO
Type: UNKNOWN
GLSA-201606-01

Vulnerable Configuration:Configuration 1:
  • cpe:/o:opensuse:leap:42.1:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/a:simon_tatham:putty:*:*:*:*:*:*:*:* (Version <= 0.65)

  • Configuration CCN 1:
  • cpe:/a:putty:putty:0.54:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.55:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.56:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.57:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.58:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.59:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.60:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.61:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.62:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.63:*:*:*:*:*:*:*
  • OR cpe:/a:putty:putty:0.65:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20155309
    V
    CVE-2015-5309
    2022-06-30
    oval:org.opensuse.security:def:113184
    P
    putty-0.67-1.5 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106605
    P
    putty-0.67-1.5 on GA media (Moderate)
    2021-10-01
    oval:org.cisecurity:def:357
    P
    DSA-3409-1 -- putty -- security update
    2016-02-26
    oval:com.ubuntu.artful:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 17.10 (artful) - medium.
    2015-12-07
    oval:com.ubuntu.disco:def:201553090000000
    V
    CVE-2015-5309 on Ubuntu 19.04 (disco) - medium.
    2015-12-07
    oval:com.ubuntu.trusty:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-12-07
    oval:com.ubuntu.cosmic:def:201553090000000
    V
    CVE-2015-5309 on Ubuntu 18.10 (cosmic) - medium.
    2015-12-07
    oval:com.ubuntu.bionic:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 18.04 LTS (bionic) - medium.
    2015-12-07
    oval:com.ubuntu.xenial:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-12-07
    oval:com.ubuntu.bionic:def:201553090000000
    V
    CVE-2015-5309 on Ubuntu 18.04 LTS (bionic) - medium.
    2015-12-07
    oval:com.ubuntu.cosmic:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 18.10 (cosmic) - medium.
    2015-12-07
    oval:com.ubuntu.xenial:def:201553090000000
    V
    CVE-2015-5309 on Ubuntu 16.04 LTS (xenial) - medium.
    2015-12-07
    oval:com.ubuntu.precise:def:20155309000
    V
    CVE-2015-5309 on Ubuntu 12.04 LTS (precise) - medium.
    2015-12-07
    BACK
    opensuse leap 42.1
    opensuse opensuse 13.1
    opensuse opensuse 13.2
    simon_tatham putty *
    putty putty 0.54
    putty putty 0.55
    putty putty 0.56
    putty putty 0.57
    putty putty 0.58
    putty putty 0.59
    putty putty 0.60
    putty putty 0.61
    putty putty 0.62
    putty putty 0.63
    putty putty 0.65