CVE-2012-6702
Summary
| CVE | CVE-2012-6702 |
|---|---|
| State | PUBLISHED |
| Assigner | microfocus |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-06-16 18:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function. |
Risk And Classification
Primary CVSS: v3.0 5.9 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Problem Types: CWE-310 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.9 | MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:N/AC:M/Au:N/C:N/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 15.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Android | 4.4.4 | All | All | All | |
| Operating System | Android | 5.0.2 | All | All | All | |
| Operating System | Android | 5.1.1 | All | All | All | |
| Operating System | Android | 6.0 | All | All | All | |
| Operating System | Android | 6.0.1 | All | All | All | |
| Application | Libexpat Project | Libexpat | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Expat: Multiple vulnerabilities (GLSA 201701-21) — Gentoo Security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| oss-security - Re: expat hash collision fix too predictable? | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| USN-3010-1: Expat vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| Android Security Bulletin—November 2016 | Android Open Source Project | af854a3a-2127-422b-91ae-364da2661108 | source.android.com | |
| Libexpat Expat CVE-2012-6702 Predictable Random Number Generator Weakness | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Debian -- Security Information -- DSA-3597-1 expat | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| oss-security - Re: expat hash collision fix too predictable? | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| [R2] PVS 5.2.0 Fixes Multiple Third-party Library Vulnerabilities - Security Advisory | Tenable Network Security | af854a3a-2127-422b-91ae-364da2661108 | www.tenable.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 710322 Gentoo Linux Expat Multiple Vulnerabilities (GLSA 201701-21)