Exiv2 0.26 on Posix samples/geotag.cpp realpath memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

A vulnerability was found in Exiv2 0.26 on Posix (Image Processing Software) and classified as critical. This issue affects the function realpath of the file samples/geotag.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

samples/geotag.cpp in the example code of Exiv2 0.26 misuses the realpath function on POSIX platforms (other than Apple platforms) where glibc is not used, possibly leading to a buffer overflow.

The bug was discovered 07/14/2018. The weakness was released 07/17/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-14338 since 07/17/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 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.

Entries connected to this vulnerability are available at VDB-212532 and VDB-222091.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/14/2018 🔍
07/17/2018 +2 days 🔍
07/17/2018 +0 days 🔍
07/17/2018 +0 days 🔍
07/18/2018 +1 days 🔍
04/09/2023 +1726 days 🔍

Sourcesinfo

Advisory: 382
Status: Not defined

CVE: CVE-2018-14338 (🔍)
See also: 🔍

Entryinfo

Created: 07/18/2018 08:40 AM
Updated: 04/09/2023 01:47 PM
Changes: 07/18/2018 08:40 AM (58), 03/05/2020 04:38 PM (1), 04/09/2023 01:47 PM (3)
Complete: 🔍
Cache ID: 34:FB8:40

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