What is the CVSS score of CVE-2015-8317?

CVE-2015-8317 has a CVSS 2.0 base score of 5.0 (Medium). CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2015-8317?

Yes, a public proof-of-concept exploit is available for CVE-2015-8317. Prioritise patching immediately. EPSS: 0.3%.

Debian Linux CVE-2015-8317

MEDIUM

Buffer Overflow (CWE-119)

2015-12-15 cve@mitre.org

Buffer Overflow Debian Linux Ubuntu Linux Libxml2 Enterprise Linux Desktop Enterprise Linux Hpc Node Enterprise Linux Server Enterprise Linux Workstation Icewall Federation Agent Icewall File Manager

5.0

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

5.0 MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 15, 2015 - 21:59 cve.org

MEDIUM 5.0

DescriptionCVE.org

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.

AnalysisAI

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read. Affected products include: Debian Debian Linux, Canonical Ubuntu Linux, Xmlsoft Libxml2, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node. Version information: before 2.9.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.