GNU elfutils 0.175 libelf/elf32_xlatetom.c elf64_xlatetom out-of-bounds
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.4 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in GNU elfutils 0.175. Affected is the function elf64_xlatetom
of the file libelf/elf32_xlatetom.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:
An issue was discovered in elfutils 0.175. A segmentation fault can occur in the function elf64_xlatetom in libelf/elf32_xlatetom.c, due to dwfl_segment_report_module not checking whether the dyn data read from a core file is truncated. A crafted input can cause a program crash, leading to denial-of-service, as demonstrated by eu-stack.
The bug was discovered 01/22/2019. The weakness was disclosed 01/29/2019 by Agostino Sarubbo with Gentoo (Website). The advisory is available at sourceware.org. This vulnerability is traded as CVE-2019-7150 since 01/28/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. 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 entries 99467, 99469, 99470 and 99471 are pretty similar.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/09/2017 🔍01/22/2019 🔍
01/28/2019 🔍
01/28/2019 🔍
01/29/2019 🔍
01/29/2019 🔍
07/03/2023 🔍
Sources
Vendor: gnu.orgAdvisory: RHSA-2019:2197
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed
CVE: CVE-2019-7150 (🔍)
SecurityFocus: 98609 - elfutils CVE-2017-7608 Remote Denial of Service Vulnerability
See also: 🔍
Entry
Created: 01/29/2019 10:23Updated: 07/03/2023 16:32
Changes: 01/29/2019 10:23 (62), 05/06/2020 16:09 (5), 07/03/2023 16:32 (3)
Complete: 🔍
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