XnView 1.99/1.99.1 Format Plugin xjpegls.dll memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in XnView 1.99/1.99.1. This affects an unknown function in the library xjpegls.dll of the component Format Plugin. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2012-4988. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as very critical was found in XnView 1.99/1.99.1 (Image Processing Software). Affected by this vulnerability is an unknown functionality in the library xjpegls.dll of the component Format Plugin. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote attackers to execute arbitrary code via a crafted JLS image file.

The weakness was shared 07/09/2014 by Joseph Sheridan (Website). The advisory is shared at xforce.iss.net. This vulnerability is known as CVE-2012-4988 since 09/19/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/09/2025).

A public exploit has been developed by Joseph Sheridan and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 643 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (79030), Exploit-DB (21741), SecurityFocus (BID 55787†), OSVDB (85893†) and Secunia (SA50825†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Joseph Sheridan
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800211
OpenVAS Name: XnView JPEG-LS Image Processing Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2012 🔍
10/04/2012 +15 days 🔍
10/04/2012 +0 days 🔍
10/04/2012 +0 days 🔍
10/04/2012 +0 days 🔍
10/17/2012 +13 days 🔍
07/09/2014 +630 days 🔍
07/09/2014 +0 days 🔍
03/26/2015 +260 days 🔍
08/09/2025 +3789 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Joseph Sheridan
Status: Confirmed

CVE: CVE-2012-4988 (🔍)
GCVE (CVE): GCVE-0-2012-4988
GCVE (VulDB): GCVE-100-70309
X-Force: 79030
SecurityFocus: 55787 - XnView JPEG-LS Image Processing Heap Based Buffer Overflow Vulnerability
Secunia: 50825
OSVDB: 85893
Vulnerability Center: 36707 - XnView Plugin for JLS Heap Overflow Vulnerability Allows Remote Code Execution via a JLS File, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/26/2015 12:07
Updated: 08/09/2025 22:58
Changes: 03/26/2015 12:07 (55), 04/19/2017 09:53 (18), 08/09/2025 22:58 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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