elfutils 0.175 elf32_xlatetom.c elf32_xlatetom memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in elfutils 0.175. It has been rated as critical. The affected element is the function elf32_xlatetom of the file elf32_xlatetom.c. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2019-7665. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in elfutils 0.175. It has been rated as critical. This issue affects the function elf32_xlatetom of the file elf32_xlatetom.c. 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:

In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in elf32_xlatetom.c in libelf. A crafted ELF input can cause a segmentation fault leading to denial of service (program crash) because ebl_core_note does not reject malformed core file notes.

The bug was discovered 02/10/2019. The weakness was disclosed 02/09/2019 by Agostino Sarubbo with Gentoo (Website). The advisory is shared at lists.debian.org. The identification of this vulnerability is CVE-2019-7665 since 02/09/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 277651 (Fedora Security Update for elfutils (FEDORA-2019-44a9d99647)).

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 vulnerability database at SecurityFocus (BID 98609†). The entries VDB-99467, VDB-99469, VDB-99470 and VDB-99471 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/09/2017 🔍
02/09/2019 +671 days 🔍
02/09/2019 +0 days 🔍
02/10/2019 +1 days 🔍
02/10/2019 +0 days 🔍
07/09/2023 +1610 days 🔍

Sourcesinfo

Advisory: RHSA-2019:2197
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed

CVE: CVE-2019-7665 (🔍)
GCVE (CVE): GCVE-0-2019-7665
GCVE (VulDB): GCVE-100-130697
SecurityFocus: 98609 - elfutils CVE-2017-7608 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/10/2019 10:21
Updated: 07/09/2023 09:03
Changes: 02/10/2019 10:21 (58), 05/09/2020 15:41 (6), 07/09/2023 09:03 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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